Search Results — 2000 specimen records retrieved (1446 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  HSC1339  Abies concolor W. R. Rogers 1966-6-20 239 Plumas Spring Creek Comment
  SEINET4066102  Abies concolor B. C. Templeton 1967-1 sn Plumas About 16 miles east of Quincy. Comment
  CHSC43332  Abies magnifica Lowell Ahart 1974-10-1 655 Plumas On the west part of the Buzzards Roost Ridge, about 1 mile north of Onion Valley, about 10 miles north-east of La Porte. 1981 Comment
  JEPS104253  Abies magnifica var. magnifica Lowell Ahart 2003-10-15 10633 Plumas Ca 60 yd s of road to Tamarack Flat, on s side of a very small branch of Fall River, ca 1/8 mi w of intersection of Lumpkin Ridge Rd and road to Tamarack Flat, ca 1 mi (air) nw of Little Grass Valley Reservoir dam, ca 4 mi (air) nw of La Porte 1714 Comment
  UC1071612  Acer glabrum var. glabrum G. T. Nordstrom 1934-7-9 197 Plumas 3/4 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC21552  Acer glabrum var. torreyi D. E. Brink Jr.; L. M. Mayer 1975-7-8 Plumas Found above Lower Bucks Lake along a stream at the north edge of the section. Comment
  CAS-BOT-BC333226  Acer macrophyllum Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 871 Plumas On La Porte Rd., 10 km S of jct with Hwy 70. 1400 Comment
  CHSC113897  Achillea millefolium Lowell Ahart 2014-8-26 19772 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  CHSC99831  Achillea millefolium Lowell Ahart 2008-8-13 15181 Plumas East side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of LaPorte. 1613 Comment
  JEPS122177  Achillea millefolium Lowell Ahart 2014-8-26 19772 Plumas On the south side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UC1137070  Achnatherum lemmonii August L. Hormay 1932-6-11 Plumas Long Canyon Plumas National Forest, Long Canyon Comment
  UCD50778  Achnatherum nelsonii John Thomas Howell 1960-7-17 35485 Plumas Drakesbad, Plumas County. 1676 Comment
  CAS-BOT-BC216879  Achnatherum occidentale John Thomas Howell 1955-7-19 30770 Plumas Beckwourth 1493 Comment
  CAS-BOT-BC216881  Achnatherum occidentale John Thomas Howell 1960-7-19 35670 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC216885  Achnatherum occidentale Clare B. Hardham 1970-8-8 17702 Plumas Road to Thompson Peak Lookout 2133 Comment
  CDA14039  Achnatherum occidentale subsp. californicum G. F. Hrusa, T. D. Wilfred 1996-8-1 13411 Plumas Sierra Nevada; Forested, S-facing slopes, logged in past, ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Occasional bunchgrass in open sites. Comment
  CAS-BOT-BC210925  Achnatherum occidentale subsp. pubescens John Thomas Howell; Walter Knight; Irja Knight; Gordon H. True 1968-6-11 2363 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek Comment
  CHSC59913  Acmispon americanus var. americanus L. P. Janeway 1992-7-17 4269 Plumas Plumas National Forest. Cogswell Ravine; ca 1.1 mi north of Mount Jackson, 1.7 mi east-northeast of Cromberg Spring, 2 mi northeast of Middle Fork Feather River. 1731 Comment
  CHSC95010  Acmispon americanus var. americanus Lowell Ahart 2006-10-23 13501 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. 1281 Comment
  JEPS122300  Acmispon americanus var. americanus Lowell Ahart 2014-8-24 19759 -A Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UCD103839  Acmispon americanus var. americanus John Thomas Howell 1960-7-18 35568 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  CDA13423  Aconitum columbianum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13271 Plumas Sierra Nevada; Bull Run Creek off USFS 23N12E. Comment
  UC1125851  Aconitum columbianum G. T. Nordstrom 1934-7-20 249 Plumas Silver Lake Dam Plumas Nat'l Forest, Bidwell Bar Quad., Silver Lake Dam Comment
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Nov 4 2011
  CHSC21320  Adenocaulon bicolor F. T. Griggs; A. Pass 1975-8-1 282 Plumas Lower Bucks Lake. Buck's Lake Forest Service Survey. Comment
  JEPS115172  Adenocaulon bicolor Lowell Ahart, John Dittes 2009-7-13 16052 Plumas On dry soil, on the east side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC65504  Adiantum aleuticum Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Gold Valley Comment
  CAS-BOT-BC65505  Adiantum aleuticum Mrs. Jos Clemens 1919-10-30 s.n. Plumas Taylorsville Comment
  CAS-BOT-BC62300  Adiantum aleuticum Margaret Williams 1967-8-20 s.n. Plumas Rene's Falls on Jamison Creek, above Johnsville 1828 Comment
  CHSC52028  Agastache urticifolia L. P. Janeway 1989-7-12 3479 Plumas Along Jackson Cr; rd 23N11 2.3 mi from hwy 89/70, then 2.2 mi on rd 23N48 into Jackson Cr. 1783 Comment
  CHSC52030  Agastache urticifolia L. P. Janeway 1990-7-6 3779 Plumas Plumas National Forest. About 200 ft east of Paradise Creek about 3/4 mile south of Little Grizzly Creek. 1889 Comment
  SEINET7925062  Agastache urticifolia H. M. Hall 4420 Plumas North Fork Feather River. 1341 Comment
  CAS-BOT-BC30237  Ageratina occidentalis George Wilson Gillett 1957-7-19 855 Plumas On trail to Sifford Lakes, about 1.25 miles above the Devils Kitchen 2057 Comment
  RSA726332  Ageratina occidentalis L. Ahart, John Dittes 2007-8-9 14454 Plumas On the east side of a ridge, about 200 yards south of the intersection, about 1 mile south of Mount Ingalls, about 5 miles (air) northwest of the north end of Lake Davis. 2417 Comment
  CAS-BOT-BC29509  Agoseris Clare B. Hardham 1961-6-16 7481 Plumas Diamond Peak 2133 Comment
  CAS-BOT-BC29600  Agoseris X dasycarpa W. Harnach; N. Harnach 1989-6-29 197 Plumas Sierra Valley, Marble Lane. 1487 Comment
  RSA129788  Agoseris glauca var. dasycephala E. Sawyer 1935-6-27 194 Plumas 1.6 miles ENE of Grizzly Peak 1768 Comment
  CDA20913  Agoseris glauca var. laciniata G. D. Barbe, T. C. Fuller 1982-7-16 3756 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  SEINET6709870 Image available Agoseris glauca var. monticola W. Harnach, N. Harnach 1990-6-13 367 Plumas Sierra Valley, SW of Beckwourth, Ramelli Ranch (USFS) 1487 Comment
  RSA726286  Agoseris heterophylla L. Ahart, John Dittes 2007-6-16 14099 Plumas East side of the small stream, on the south side of County Road 111 (Beckwourth Gensee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1648 Comment
  SEINET6738667 Image available Agoseris heterophylla W. Harnach, N. Harnach 2002-6-10 1095 Plumas Sierra Valley, 0.3 miles east of the intersection of County Road A-23 on Marble Lane 1490 Comment
  CAS-BOT-BC46151  Agoseris heterophylla L. S. Smith 1927-5-30 2066 Plumas Sierra Valley, Sec 5&4 east side 1981 Comment
  CAS-BOT-BC46152  Agoseris heterophylla Anna Head 1921-6-23 s.n. Plumas Campbells Hot Springs, Feather River region Comment
  JEPS76232  Agrostis alba W. L. Jepson 1939-8-12 19398 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  CAS-BOT-BC127082  Agrostis exarata John Thomas Howell 1961-9-24 36918 Plumas Sierra Nevada. Feather River bed southwest of Beckwourth. 1487 Comment
  CAS-BOT-BC127094  Agrostis exarata John Thomas Howell 1959-9-25 35005 Plumas Sierra Nevada. 2 miles east of Portola. 1484 Comment
  CAS-BOT-BC127097  Agrostis exarata W. R. Dudley 1909-8-27 s.n. Plumas Sierra Valley. Near Hot Springs. Comment
  CHSC113852  Agrostis exarata Lowell Ahart 2014-8-31 19809 Plumas Around rocks in an unnamed drainage, on the west side of Black Rock Creek. about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4-1/2 miles (air) northwest of La Porte. 1536 Comment
  CHSC74735  Agrostis exarata B. Castro 1998-10-8 859 Plumas Ca 0.25 mi upslope of E edge of Little Grass Valley Reservoir just S of Kenzie Ravine, on gentle NW-facing slope ca 300 ft above USFS RD 22N60. 1554 Comment
  JEPS107638  Agrostis exarata Lowell Ahart, Josephine Guardino 2005-8-9 12285 Plumas On the bottom of Fant Creek, about 100 yards southeast of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS122184  Agrostis exarata Lowell Ahart 2014-8-26 19795 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  JEPS76230  Agrostis exarata W. L. Jepson 1939-8-12 19392 Plumas in stools in sand Ferris Creek (branch of Last Chance Creek) 1767 Comment
  CAS-BOT-BC139249  Agrostis idahoensis John Thomas Howell 1960-7-23 35956 Plumas Lassen Volcanic National Park. Drakesbad. Near Soda Spring. 1828 Comment
  CHSC73707  Agrostis pallens B. Castro; L. Gehrung 1992-8-11 596 Plumas Ca 1 air mi SSE of the Fingerboard and ca 0.5 mi NNW of Onion Valley Reservoir, immediately E of County Rd 511. 1950 Comment
  CAS-BOT-BC138712  Agrostis scabra Thomas H. Kearney 1944-8-14 5 Plumas Near Prattville, Lake Almanor. Comment
  RSA239240  Agrostis scabra R. F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42337 Plumas Feather River Camp, 4 miles north of Quincy 1067 Comment
  SJSU13946  Agrostis scabra N. A. Hopkins 1985-8-27 1315 Plumas Grass Lake 1786 Comment
  CHSC44539  Agrostis thurberiana Lowell Ahart 1977-7-9 1455 Plumas Along the edges of Bunker Hill Creek, about 1/2 mile north of the Bunker Hill Mine, about 12 miles north-east of La Porte. 1828 Comment
  CAS-BOT-BC267057  Alisma John Thomas Howell 1959-9-26 35061 Plumas Near Virgilia 838 Comment
  CAS-BOT-BC445449  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  CAS-BOT-BC445450  Alisma triviale Robert J. Weatherby 1950-7-28 1505 Plumas Near Indian Creek, 2 miles south of Crescent Mills. 1036 Comment
  CDA39431  Allium acuminatum G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3180 Plumas 2.5 miles (4 km) north-east of Quincy Junction on Mt. Hough-Crystal Lake Road at Howells Road junction. Comment
  CDA15892  Allium campanulatum G. F. Hrusa, B. Smith 1996-7-16 13227 a Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC21331  Allium campanulatum F. T. Griggs; A. Pass 1975-7-8 102 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC65144  Allium campanulatum Vernon H. Oswald; Lowell Ahart 1995-7-24 7123 Plumas N of Chester on Forest Road 30N25 (to Hay Mdw. Trailhead), 0.5 mi NW of Forest Route 10. 1920 Comment
  SEINET260553  Allium campanulatum M. Cutler, J Cutler 1992-6-2 Plumas Plumas National Forest ; Ca 12.5 mi NW of Quincy; Bucks Lake Rd to Spanish Ranch; FS 25N17 then 25N59 to stand #108 1585 Comment
  UC608831  Allium campanulatum Beryl O. Schreiber 1938-7-10 2526 Plumas 1/4 mi s U.C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle 1097 Comment
  CAS-BOT-BC466469  Allium campanulatum A. A. Heller; P. B. Kennedy 1907-7-3 8708 Plumas Hills above Red Clover Valley Comment
  CAS-BOT-BC466605  Allium campanulatum H. C. Cantelow 1938-7-5 2284 Plumas Flatiron Ridge. Drakesbad 1828 Comment
  CAS-BOT-BC466613  Allium campanulatum John Thomas Howell 1960-7-18 35604 Plumas Dry rocky slope near hot springs, Drakesbad 1828 Comment
  CAS-BOT-BC466623  Allium campanulatum Frank W. Peirson 1926-6-21 6805 Plumas Quincy. Northern Sierra Nevada 2074 Comment
  SEINET12045785  Allium campanulatum Unknown 1938-1 2321 Plumas Feather River at Chester, near Lake Almanor 1219 Comment
  CAS-BOT-BC472813  Allium obtusum Margaret Williams; Emily McPherson 1974-8-5 74 -P-4 Plumas Above Silver Lake, Trail to Mt. Elwell, Lakes Basin, Sierra Nevada 2072 Comment
  SEINET12048438  Allium obtusum L. Ahart, Ahart, P. 1983-1 4328 Plumas Near Onion Valley, W of Pilot Peak, near Quincey-La Porte Rd., NE of La Porte, Red Fir Forest 2000 Comment
  CAS-BOT-BC474284  Allium obtusum var. obtusum Mrs. E. C. Sutliffe 1927-6-1 s.n. Plumas Drakesbad. Lassan Nat'l Park Comment
  SEINET8122913  Allium parvum C. G. Gulling May and June s.n. Plumas Sierra Valley Comment
  UC2013025  Allium parvum Barbara Ertter 1990-5-13 8963 Plumas North side Highway 36 on west side of Chester, jeffrey pine flat across from county road department. Comment
  CHSC39589  Allium platycaule Lowell Ahart 1983-7-20 4200 Plumas About 1/4 mile east of the Feather Fork Mine, about 5 1/2 miles north of La Porte. 1800 Comment
  CHSC43321  Allium platycaule Lowell Ahart 1975-7-9 856 Plumas About 1 mile west of Pilot Peak. 1981 Comment
  SEINET8191553  Allium platycaule W. Harnach, N. Harnach 1990-5-12 289 Plumas Sierra Valley, County Road A-23, S of Marble Lane, on Wilson brothers ground (Rock pile). 1515 Comment
  CHSC63153  Allophyllum integrifolium Lowell Ahart 1994-7-7 7455 Plumas Plumas and Sierra County. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CAS-BOT-BC171346  Alnus incana subsp. tenuifolia W. R. Dudley 1909-8-25 s.n. Plumas Creek Bank, Sierra Valley Comment
  CAS-BOT-BC171356  Alnus incana subsp. tenuifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1782 Plumas Butterfly Botanical Area and vicinity. Fern Glen 1097 Comment
  RSA232721  Alnus incana subsp. tenuifolia Larry E. DeBuhr, Gary Wallace 1972-5-21 599 Plumas Plumas National Forest, Butterfly Valley about 1 mile southwest of Keddie, along forest road 25N12. Comment
  RSA286330  Alnus incana subsp. tenuifolia R. F. Thorne 1974-7-30 45002 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  UC1135173  Alnus incana subsp. tenuifolia D. Axelrod 1934-6-12 46 Plumas 1 mi s Fowler Peak; Plumas National Forest, Downieville Quadrangle Comment
  UC917264  Alnus incana subsp. tenuifolia J. M. Tucker 1948-7-24 1727 Plumas boggy area near road from Cascade to Camel Peak 1615 Comment
  CHSC116387  Alnus incana subsp. tenuifolia Sara M. Taylor; Scott Batiuk 2012-7-13 75 Plumas Plumas National Forest. Aster Fen, Bucks Lake Wilderness, north and west of Granite Gap from Silver Lake trailhead. UTM zone 10, 4423928N, 657162 E. 2030 Comment
  SEINET10678458  Alnus incana subsp. tenuifolia Bonnie C. Templeton 1967-4-23 Templeton 10743 Plumas Butterfly Valley, near Quincy. 1067 Comment
  CAS-BOT-BC170694  Alnus rhombifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1449 Plumas Near creek bed of Spanish Creek adjacent to confluence of Butterfly Creek. Butterfly Botanical Area and Vicinity 883 Comment
  CAS-BOT-BC170697  Alnus rhombifolia John Thomas Howell; Gordon H. True 1969-6-23 45817 Plumas on Middle Fork of Feather River at Nelson Point. Sierra Nevada 1249 Comment
  RSA59916  Alopecurus aequalis E. K. Balls 1950-9-15 15838 Plumas North Fork Feather River, 6 miles northwest of Chester. 1402 Comment
  CAS-BOT-BC138118  Alopecurus aequalis var. aequalis V. Oswald; L. Ahart 1988-8-4 3664 Plumas Willow Lake located southeast of Drakesbad just south of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC137992  Alopecurus geniculatus David D. Keck 1932-7-3 1667 Plumas In the Northern Sierra Nevada. Quincy. 1065 Comment
  JEPS68431  Alopecurus geniculatus W. L. Jepson 1910-6-9 4106 Plumas Hot Springs Valley near Lassen Peak; Hot Springs Valley 1828 Comment
  RSA252377  Alopecurus geniculatus R. F. Thorne, C. W. Tilforth 1969-9-6 39247 Plumas Along Feather River 1 mi. SW of Beckwourth 1357 Comment
  CHSC94668  Amaranthus albus Lowell Ahart 2006-10-8 13410 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  CHSC103138  Amaranthus californicus Lowell Ahart; John Dittes 2009-9-7 16374 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam. 1591 Comment
  JEPS117161  Ambrosia acanthicarpa Lowell Ahart, John Dittes 2010-10-5 17301 Plumas On the east side of Highway 49, 830 feet north of the Plumas-Sierra county line, 2.7 miles (air) northeast of Loyalton, 6.9 miles (air) southwest of Vinton 1508 Comment
  CDA10048  Ambrosia psilostachya L. Ahart 2006-10-8 13389 Plumas On the north side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. Comment
  CAS-BOT-BC142922  Amelanchier John Thomas Howell; H. Keith Wagnon 1980-5-28 53692 Plumas Open dry coniferous woods nea Twain, East Branch North Fork Feather River - Sierra Nevada 914 Comment
  CHSC110938  Amelanchier alnifolia var. pumila L. P. Janeway 2010-11-15 10219 Plumas Northern High Sierra Nevada. Plumas National Forest; along Road 24N36 along the south side of the Oroville-Quincy Hwy; north side of Grizzly Creek; 0.8 km southwest of Grizzly Creek Campground. 1567 Comment
  CAS-BOT-BC136776  Amelanchier utahensis Thomas H. Kearney 1944-8-14 62 Plumas Near Prattville, Lake Almanor Comment
  CAS-BOT-BC136788  Amelanchier utahensis John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1967-6-12 1920 Plumas Butterfly Botanical Area and Vicinity 1066 Comment
  SD43467  Amelanchier utahensis Philip A. Munz 1947-5-18 11858 Plumas 3 miles west of Chester on Highway 36 1584 Comment
  UC567084  Amelanchier utahensis E. Sawyer 1935-5-21 16 Plumas 2 mi e Beckwith; Sierraville Quad. 1584 Comment
  UC725951  Amsinckia menziesii var. menziesii A. A. Heller 1941-5-22 16145 Plumas along roadside just beyond Spanish Creek (outside of Quincy on State Hwy #24) Comment
  CAS-BOT-BC64275  Anaphalis margaritacea H. E. Brown 1897-8-15 661 Plumas Near Lassen Buttes 1828 Comment
  CHSC66750  Anaphalis margaritacea Vernon H. Oswald; Lowell Ahart 1996-8-14 8155 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi (air) NW of Meadow Valley (on the Oroville-Quincy Hwy.).Northern High Sierra Nevada. 1127 Comment
  RSA769806  Anaphalis margaritacea L. Ahart 2008-9-10 15361 Plumas Both sides of East Branch Creek, east side of Quincy La Porte Road, about 1.75 air miles south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte 1594 Comment
  CHSC60136  Anemone drummondii B. Castro; J. Jurewicz 1991-8-12 444 Plumas Ca 3.5 air mi S of Bucks Lake and 0.1 mi SE of Grizzly Mtn (= Red Mtn), along USFS Rd 23N69 ca 0.5 mi W of its jct with USFS Rd 23N18. On either side of road. 1911 Comment
  SBBG2111  Anemone grayi H. and M. Dearing 1938-7-1 2258 Plumas 1 mi E of Lake Almanor Comment
  CHSC40249  Antennaria argentea K. R. Stern 1985-6-25 8253 Plumas Vic. Blairsden. 1371 Comment
  CHSC89307  Antennaria argentea G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-24 3218 Plumas Sierra Nevada. 1.0 mile south of junction of Mt. Hough-Crystal Lake Road with China Grade Road (road to Taylorsville). Rhinehart Meadow. 1676 Comment
  CAS-BOT-BC59313  Antennaria argentea C. R. Quick 1957-6-15 57 -03 Plumas About 1/2 mile s. of Lake Almanor Comment
  CAS-BOT-BC59225  Antennaria dimorpha Alice Eastwood 1918-5-25 7047 Plumas Portola Comment
  CHSC97526  Antennaria dimorpha Lowell Ahart; John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  JEPS108537  Antennaria dimorpha L. P. Janeway, B. Castro 2006-6-4 8665 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road 1684 Comment
  JEPS113739  Antennaria dimorpha Lowell Ahart, John Dittes 2007-6-17 14154 Plumas On a low rocky open hill, about 20 yards southwest of Red Clover Creek, about 20 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north en 1654 Comment
  CHSC89284  Antennaria geyeri G. F. Hrusa; Kerr, S. Winterton 2004-6-25 16338 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC79930  Antennaria microphylla A. A. Heller; P. B. Kennedy 1907-7-5 8749 Plumas Red Clover valley Comment
  CDA14734  Antennaria rosea G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3266 Plumas Mount Hough summit. 2194 Comment
  CHSC72295  Antennaria umbrinella L. P. Janeway; Glenn Clifton 1998-7-9 5731 Plumas Near the head of Pierce Creek; north side of Diamond Mtn Motorway 0.3 mi east of Wheeler Sheep Camp. 1990 Comment
  CHSC81598  Anthemis cotula Lowell Ahart 2001-10-8 9329 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC84650  Anthemis cotula Lowell Ahart 1981-9-6 3072 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CDA41618  Antirrhinum vexillo-calyculatum subsp. intermedium D. Sanchez-Mata, P. Rodriguez-Rojo 1997-8-16 Plumas French Bar-Caribou. Plumas Natl. Forest. North Fork Feather River. Comment
  JEPS83414  Antirrhinum vexillocalyculatum subsp. intermedium David M. Thompson 1983-7-5 365 Plumas 0.3 mi ne Hwy. 70 intersection with Pulga Road, ne end of bridge (Hwy 70, on n side of road); Pulga Quad. (15', 1957) 487 Comment
  JEPS5349  Antirrhinum vexillocalyculatum subsp. intermedium W. I. Follett 1942-7-27 136 Plumas Deadwood Summit 1386 Comment
  CHSC60168  Apera interrupta L. P. Janeway 1992-7-1 4244 Plumas Plumas National Forest. orth side of Middle Fork Feather River along moist drainage of Bonta Creek. 1310 Comment
  CAS-BOT-BC457542  Aphanes occidentalis J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 D. Plumas Butterfly Botanical Area and Vicinity; open flat near Pond Reservoir. 1097 Comment
  SEINET10455396  Apocynum pumilum Lowell Ahart, Peter Ahart 1985-7-1 Ahart 5096 Plumas About 100 yards east of McCarthy Creek and along the road, about 1 mile north of the road to Cleghorn Bar, about 7 miles north- west of Pilot Park. Comment
  CAS-BOT-BC397878  Aquilegia formosa John Thomas Howell 1951-8-19 28170 Plumas 3 miles east of Rich Bar 853 Comment
  HSC101689  Aquilegia formosa Dillon North Davis 2013-6-11 23 Plumas 3.4 miles south on FS Road 25N17 from intersection with Highway 70. 1280 Comment
  CAS-BOT-BC397886  Aquilegia formosa David D. Keck 1932-7-3 1632 Plumas Quincy, to south of town. 1065 Comment
  SEINET10448413  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4478 Plumas T27N R8E nw/sw sec 36. Almanor NE quad. Open steep w facing serpentine ridge, s side of 27n92, ca. 2 air mi se of Canyon Dam. 5200 ft. 1585 Comment
  SEINET10874431  Arabis constancei Mary Susan Taylor, G. Rotta 1982-5-18 Taylor 4471 Plumas T26N R9E nw/ne sec 7. Almanor NE quad. On serpentine, both sides of spur rd off 26N18, ca. 0.5 mi se of Long Valley Mine, ca. 4 air mi w of Greenville. 5500 ft. 1676 Comment
  SEINET5340123  Arabis constancei J. Robertson, Y. M. Robertson 1983-6-9 s.n. Plumas Plumas National Forest. Along old roads near Clear Creek N & E of mine pit - E of Clear Creek. 1512 Comment
  JEPS2732 Image available Arabis davidsonii var. davidsonii Charlotte M. Wilder 1912-7-11 Plumas Mt. Elwell; ; Mt. Elwell, Plumas Co. Comment
  SEINET5340340  Arabis holboellii var. pinetorum R. C. Rollins, K. W. Rollins 1981-5-29 81159 Plumas 3.1 miles northwest of U.S. Hwy. 70 near the Beckwourth-Genesee Road. Comment
  RSA74141  Arabis holboellii var. retrofracta Milo S. Baker 1952-5-24 12449 Plumas Hwy 89 at head of Pine Valley. 915 Comment
  HSC95488  Arabis sparsiflora James D. Jokerst 1987-5-28 2886 Plumas Ward Creek Canyon, on steep rocky edge SW of creek 1463 Comment
  CAS-BOT-BC171671  Aralia californica Jay B. Walker; Jeff Stadler; Noah Goldstein 1994-8-3 872 Plumas On La Porte Rd. 10 km S of jct with Hwy 10. 1400 Comment
  CAS-BOT-BC171675  Aralia californica Alice Eastwood 1927-6-1 14710 Plumas Forest Lodge, Greenville - United States Forest Reserve Comment
  NY42451  Aralia californica J. B. Walker 1994-8-3 872 Plumas On La Porte Rd, 10km S of junction with Hwy 70 1400 Comment
  UC170972  Aralia californica H. M. Hall 1912-8-4 9383 Plumas canyon just w. of Quincy; Sierra Nevada Mts. 1127 Comment
  JEPS107976  Arceuthobium abietinum Lowell Ahart, John Dittes 2005-9-19 12412 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1998 Comment
  CHSC101920  Arceuthobium californicum Lowell Ahart; John Dittes 2009-7-14 16070 Plumas North side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Alamanor Reservoir Dam 1677 Comment
  SEINET2116911  Arceuthobium tsugense subsp. mertensianae R. L. Mathiasen, C. M. Daugherty 2004-8-18 2004 -14 Plumas South side of Long Lake, Plumas National Forest 1915 Comment
  CAS-BOT-BC102209  Arctium minus L. P. Janeway 1993-8-26 4545 Plumas Portola quad Northwest corner of Sierra Valley; on south side of Middle Fork Feather River 1484 Comment
  CAS-BOT-BC24213  Arctostaphylos Gladys L. Smith 1976-6-7 4582 Plumas Brushy slope of cutover area, N. end summit area, secondary Rd. between Rte. 70 and La Porte. 1950 Comment
  CAS-BOT-BC24429  Arctostaphylos manzanita Gladys L. Smith 1976-6-7 4607 Plumas S. end of summit ridge, secondary road from Quincy to La porte. 1950 Comment
  CAS-BOT-BC38484  Arctostaphylos mewukka subsp. truei John Thomas Howell 1975-7-22 51359 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC38485  Arctostaphylos mewukka subsp. truei John Thomas Howell 1966-7-26 42005 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River. 609 Comment
  CHSC76052  Arctostaphylos nevadensis G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3263 Plumas Summit of Mount Hough. 2194 Comment
  RSA59351  Arctostaphylos nevadensis E. K. Balls 1950-9-2 15624 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. 2104 Comment
  CAS-BOT-BC42097  Arctostaphylos patula John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-5-7 1784 Plumas Trestle Glen 1112 Comment
  CAS-BOT-BC42107  Arctostaphylos patula John Thomas Howell 1976-7-14 51826 Plumas American Valley near Quincy on road to Quincy Junction 1036 Comment
  JEPS38827  Arctostaphylos patula R. H. Platt 1891-1 Plumas near Prattville Comment
  POM253218  Arctostaphylos patula A. A. Heller 1938-5-21 15099 Plumas Forest north of Chester. Comment
  UCD53438  Arctostaphylos patula James I. Mallory 1967-8-15 275 Plumas Gibsonville Ridge. 1798 Comment
  SEINET11987210  Arctostaphylos patula subsp. platyphylla J. Vale, Wagnon, K.; Knight, W.; Knight, I. 1981-1 4108 Plumas 3 mi N of Greenville, CA 89 1128 Comment
  UCD51942  Arctostaphylos truei John Thomas Howell 1976-4-2 51571 Plumas Injun Jim Campground, North Fork Feather River, Plumas County. 609 Comment
  RSA189355  Arctostaphylos viscida subsp. viscida L. S. Rose 1967-5-7 67067 Plumas 3 mi. W. of Keddie, Butterfly Valley. 945 Comment
  RSA364254  Arctostaphylos viscida subsp. viscida Walter Knight, Irja Knight, B. K. Knight 1986-2-6 5220 Plumas Between bridge over north fork of Feather River near Pulga and Jarboe Gap. 640 Comment
  CDA14659  Arenaria congesta var. congesta G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3098 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SEINET10537557  Arenaria kingii var. glabrescens Mary Susan Taylor, M. Foster 1981-6-8 Taylor 3872 Plumas T24N R13E ne sec 8, Grizzly Valley quad. N side of 24N08, just N of jct with 25N93, half way between Bagley Pass and Red Clover Valley, ca. 1.5 mi N of W end of Lake Davis; elevation 5600 ft.; open rocky barrens. 1707 Comment
  CHSC36834  Arnica chamissonis M. S. Taylor 1981-6-25 3948 Plumas Ramelli Ranch, ca. 1/8 mi S of Hwy 70 ca. 1/2 mi SW of Beckwourth. Around North Fork Feather River. 1493 Comment
  CHSC66609  Arnica chamissonis Vernon H. Oswald; Lowell Ahart 1996-7-15 8033 Plumas E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road 29N11. 1371 Comment
  JEPS88490  Arnica chamissonis Vernon H. Oswald and Lowell Ahart 1996-7-15 8033 Plumas e side of marsh ca. 1.4 mi s Last Chance Campground (n end of lake, at streams and marshy meadow extending e from Rd. 29N11); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  CAS-BOT-BC82217  Arnica chamissonis Mrs. Jos Clemens 1920-7-30 2 Plumas Feather River Meadows Forestry Station near Tehama & Plumas Co. lines Comment
  SD8797  Arnica cordifolia Mrs. R. M. Austin 1877-1 Plumas American Valley Comment
  CAS-BOT-BC82357  Arnica cordifolia Ella Dales Cantelow 1940-5-12 3081 Plumas Bucks Lake Rd., 2 mi. w. of Quincy Comment
  UC1070447  Arnica dealbata D. Axelrod 1934-6-9 29 Plumas 3 mi w Lexington Hill; Plumas National Forest, Bidwell Bar Quad. 1767 Comment
  CAS-BOT-BC90055  Arnica nevadensis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-21 Plumas Near Silver Lake campground, Trail to Mt. Elwell, Lakes Basin 2011 Comment
  CDA14026  Arnica tomentella G. F. Hrusa, B. A. Smith 1996-8-8 13474 Plumas Sierra Nevada; ~ 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. Comment
  JEPS102268  Arrhenatherum elatius L. P. Janeway 1996-6-20 5026 Plumas Northern High Sierra Nevada. Along Road 25N17 (road from Virgilia to Meadow Valley) 0.3 mi from Road 25N20, in total 1.9 mi from railroad crossing and East Branch North Fork Feather River. 1066 Comment
  CAS-BOT-BC85018  Artemisia arbuscula subsp. arbuscula Clare B. Hardham 1978-8-11 21784 a Plumas In volcanic area about 5 miles southeast of Thompson Peak Comment
  CHSC113869  Artemisia douglasiana Lowell Ahart 2014-8-26 19787 Plumas In the middle of the South Fork of the Feather River, Little Grass Valley Resrvoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  JEPS88399  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1996-7-15 8022 Plumas Lake Almanor High Cascade Range (e side of arm of Lake extending n from the Hwy 36 causeway, s of point where the road to Last Chance Campground (28N11) begins to parallel lake) 1371 Comment
  JEPS98950  Artemisia douglasiana Lowell Ahart 2001-10-8 9327 Plumas On the west side of Indian Creek, about 400 yards south of Arlington Road, about 150 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC90569  Artemisia dracunculus John Thomas Howell 1961-9-23 36866 Plumas Indian Valley 1082 Comment
  JEPS102589  Artemisia dracunculus Lowell Ahart 2001-10-8 9316 Plumas On the south side of Boulder Creek, below or near the high water line of Antelope Lake, about 24 miles (air) NE of Quincy. 1524 Comment
  CAS-BOT-BC93523  Artemisia tridentata subsp. tridentata Fred Sommers 1976-8-27 231 Plumas Unspecified 1524 Comment
  RSA122549  Artemisia tridentata subsp. tridentata E. Nourse 1934-9-13 38 Plumas 2 miles NW of Onion Valley 2043 Comment
  RSA716597  Artemisia tridentata subsp. tridentata L. Ahart, John Dittes 2005-9-19 12414 Plumas About 1.5 miles southeast of Kettle Rock, about 1.5 miles southeast of Taylor Lake 2008 Comment
  UC580644  Artemisia tridentata subsp. tridentata E. Nourse 1934-9-13 38 Plumas 2 mi nw Onion Valley; Downieville Quadrangle Comment
  CAS-BOT-BC400625  Asarum hartwegii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54324 Plumas 1.4 miles north-northeast of Englemine on Diamond Mt. Road 1295 Comment
  UCSB45732  Asarum hartwegii Reisentz, Paul 1979-5-12 Plumas At Lewisia Roack, 3 miles north of Injun Jim Campground on Highway 70 Comment
  RSA232647  Asarum lemmonii Larry E. DeBuhr, G. D. Wallace 1972-5-21 587 Plumas Plumas National Forest, Butterfly Valley, 1 mile SW of Keddie, along forest road 25N12 at jct with Blackhawk Creek. Comment
  CAS-BOT-BC140668  Asarum lemmonii R. W. Becking 1996-6-6 036 Plumas Keddie, Hwy. 89, Butterfly Valley Creek Comment
  SEINET11262189  Asclepias fascicularis Robert L. Johnson, Mikel R. Stevens 2015-7-11 3957 Plumas Spanish Creek drainage. 0.2 rd mi N on Hugh Spur (fronting rr-track) after jct with Hwy 89. Ca 1.2 air mi S of Indian Falls.; 0 Comment
  CHSC58483  Asclepias speciosa Vernon H. Oswald; Lowell Ahart 1992-7-6 5066 Plumas Lassen Volcanic Park. On Kelly Mtn. ca. 0.6 mi WSW of the end of Kelly Mtn. Rd. (Forest Rd. 29N75). 1770 Comment
  CDA39824  Asclepias speciosa T. C. Fuller 1959-7-6 4298 Plumas Highway 89, 1 mile north of Highway 40A, 1.7 miles north of Patton. 0 Comment
  CAS-BOT-BC69586  Aspidotis densa John Thomas Howell 1975-6-16 51144 Plumas 2 mi. nw. of Spring Garden. 1173 Comment
  UCR182892  Aspidotis densa G. D. Barbe, T. C. Fuller 1982-6-15 3709 Plumas On serpentine slope uphill, 0.8 mi. west of junction of road to Red Hill Lookout and road to Cherry Hill (U.S.F.S. Road #26N22F); 3.3 mi. east of Red Hill Summit, Plumas National Forest 1555 Comment
  UCD23328  Aspidotis densa E. W. Jameson 1948-11-27 s.n. Plumas 6 mi. east of Quincy. 1158 Comment
  RSA518352  Aster alpigenus B. Pitzer 1988-5-29 953 Plumas Plumas National Forest ca. 6 mi. N of Gold Lake on Gold Lake Road, 2.6 mi W of junction with Hwy 89. 1829 Comment
  RSA726330  Aster breweri L. Ahart, John Dittes 2007-8-9 14445 Plumas About 120 yards east of the road, on the east slope of Mount Ingalls, about 6 air miles northwest of the north end of Lake Davis 2552 Comment
  RSA59700  Aster eatonii E. K. Balls 1950-9-9 15769 Plumas South end of small lake west of Lakes Center Public Camp Comment
  RSA39363  Astragalus lentiformis P. A. Munz 1947-5-16 11817 Plumas 5 Miles north of Chilcoot. 1524 Comment
  CAS-BOT-BC192851  Astragalus pulsiferae Philip A. Munz 1947-5-16 11817 Plumas 5 miles N. of Chilcoot 1524 Comment
  JEPS100349  Astragalus pulsiferae var. pulsiferae Dean W. Taylor 2001-6-28 17815 Plumas Diamond Mountains, Snow Lake (ca. 2 air miles east of Frenchman Lake), growing on the edge of Forest Road 24N44 just southeast of the lake 1859 Comment
  RSA107460  Astragalus pulsiferae var. pulsiferae L. S. Rose 1955-7-19 55152 Plumas Beckworth Pass. 1494 Comment
  SEINET7325862 Image available Astragalus pulsiferae var. pulsiferae S. L. Welsh, ND Atwood 2001-1 28120 Plumas Beckwourth Pass, as Lassen County line, California Highway 70 1575 Comment
  UCD169252  Astragalus pulsiferae var. pulsiferae S. L. Welsh; N. D. Atwood 2001-6-13 28120 Plumas Beckwourth pass, at Lassen County line, California Hwy 70. 1575 Comment
  SBBG25923  Astragalus purshii var. tinctus C. B. Hardham 1961-6-16 7445 Plumas Diamond Peak [Diamond Mountain] 2255 Comment
  HSC73111  Astragalus webberi M. S. Taylor 1981-5-8 3661 Plumas N side of Hwy. 89, 1/4 mi. S of turnoff to Taylorsville , 1 mi. S of Crescent Mills. 1098 Comment
  UC725635  Astragalus webberi A. A. Heller 1942-6-5 16504 Plumas along State Highway #89 n of the junction with #24 near the Feather River; near the Feather River Comment
  CHSC97428  Asyneuma prenanthoides Robert Fischer 2006-7-2 1045 Plumas Bucks Lake. Between Oroville and Bucks Lake, off Hwy 70, east on 4 Trees Road. Collection made at the crossing of Wildcat Creek. 1158 Comment
  SEINET11262422  Asyneuma prenanthoides Robert L. Johnson, Mikel R. Stevens 2015-7-11 3959 Plumas Spanish Creek/Indian Creek drainage. Ca 1.6 rd mi N on Hugh Spur/Shoofly/Old Quarry Rd (fronting rr-track) after jct with Hwy 70/89. Ca 0.6 air mi ssw of Indian Falls.; 0 1023 Comment
  CHSC21676  Asyneuma prenanthoides D. Brink and L. Mayer 1975-7-3 Plumas Buck's Lake Forest Service Survey Comment
  CAS-BOT-BC69506  Athyrium filix-femina var. californicum Walter Knight; Irja Knight 1966-9-12 1730 Plumas Rubble gap, Butterfly Botanical Area and Vicinity. 1127 Comment
  CHSC80790  Athyrium filix-femina var. cyclosorum Lowell Ahart 2001-7-19 8935 Plumas On the banks of Hopkins Creek, about 100 yards southwest of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) southeast of Pilot Peak. 1828 Comment
  JEPS114947  Athyrium filix-femina var. cyclosorum Lowell Ahart 2008-9-10 15359 Plumas East edge of East Branch Creek, on the southeast side of the Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile north east of La Porte 1593 Comment
  JEPS116141  Athyrium filix-femina var. cyclosorum Lowell Ahart, John Dittes 2009-8-28 16350 -A Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC66097  Athyrium filix-femina var. cyclosorum David D. Keck 1932-7-3 1693 Plumas just west of town, Quincy, in the Northern Sierra Nevada 1066 Comment
  CAS-BOT-BC66243  Azolla mexicana John Thomas Howell 1961-9-23 36859 Plumas Indian Valley 1082 Comment
  SEINET7712043  Bahia lanata Unknown Plumas Black Hawk Creek Comment
  CHSC283  Balsamorhiza deltoidea V. Holt 1937-5-14 Plumas Twain. 914 Comment
  CHSC52761  Balsamorhiza macrolepis var. platylepis L. P. Janeway 1990-6-7 3704 Plumas Plumas National Forest. Forested flat on N side of Long Valley ca 1/2 mi E of Rattlesnake Creek and ca 1/2 mi N of Hwy 70/89. Vicinity of Sloat. 1371 Comment
  CHSC45641  Balsamorhiza sagittata Vernon Oswald 1984-7-5 1349 Plumas Pacific Crest Trail 1.2 mi E of Humboldt Summit. 2026 Comment
  RSA123041  Balsamorhiza sagittata E. Sawyer 1935-5-21 2 Plumas 3/4 mile WSW of Beckwith. 1494 Comment
  SEINET10474459  Balsamorhiza sagittata Mary Susan Taylor 1982-5-7 Taylor 4419 Plumas T23N R14E sw/nw sec 26. Portola quad. Ramelli Ranch, near an oxbow lake, ca. 1/4 mi e of Hwy 109, ca. 0.5 mi sw of Beckwourth. Sagebrush Scrub. 4800 ft. 146 Comment
  CAS-BOT-BC16571  Barbarea orthoceras Mary Strong Clemens 1920-6-18 s.n. Plumas Lake Almanor. Comment
  CAS-BOT-BC16572  Barbarea orthoceras Mary Strong Clemens 1920-5-31 s.n. Plumas Greenville. Comment
  CHSC89533  Barbarea orthoceras G. D. Barbe; T. C. Fuller 1982-6-17 3868 Plumas Northern California. Plumas National Forest. 2 mi N of Turkey Pt Fishing Access; at the shore of north arm of the lake. 1706 Comment
  CHSC97518  Barbarea orthoceras Lowell Ahart; John Dittes 2007-6-17 14174 Plumas Meadow, about 100 yards southwest of County Road 111 (Beckwourth Genesee Road), about 1/4 mile southeast of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SEINET10514174  Beckmannia syzigachne Mary Susan Taylor 1982-8-27 Taylor 5068 Plumas T23N R14E S1/2 NE1/4 Sec 28. POrtola quad. In moist area, Ramelli Ranch where Feather River crosses RR tracks, ca. 1.5 miles SW of Beckwourth. With Hippuris vulgaris, Sium suave, Lemna. 1487 Comment
  CHSC81007  Betula pumila var. glandulifera Vernon H. Oswald; Beth Corbin, Kim Earll 2001-6-23 10049 Plumas Humbug Creek west of the Soda Spring in Humbug Valley. 1325 Comment
  CAS-BOT-BC102162  Bidens John Thomas Howell 1959-9-21 34816 Plumas Sand bars of Indian Creek 914 Comment
  CHSC36875  Bidens cernua M. S. Taylor 1982-8-23 5037 Plumas Between dirt road and S side of North Fork Feather River, ca 1/4 mi W of Twain. 853 Comment
  UC1192179  Bidens cernua Malcolm A. Nobs and S. Galen Smith 1949-8-18 1362 Plumas just s of Chester (Last Chance Marshes at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  RSA90036  Bidens cernua E. K. Balls 1953-7-9 18353 Plumas Behind Forest Service Ranger Station, Quincy, American Valley. 1098 Comment
  JEPS102555  Bidens frondosa Lowell Ahart 2001-10-16 9367 Plumas On a high bank, and the north side of a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  CAS-BOT-BC413049  Bistorta bistortoides A. A. Heller; P. B. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  CAS-BOT-BC413050  Bistorta bistortoides A. A. Heller; P. B. Kennedy 1907-7-9 8793 Plumas Prattville Comment
  SEINET4176618  Bistorta bistortoides M. Foster 1988-6-5 154 Plumas Grizzly Valley Quad, in meadow on either side of Big Grizzly Creek, .25 miles south of Walker Mine Rd., 1 mile west of Lake Davis, 12 miles north by northwest of Portola 1762 Comment
  CHSC37673  Blepharipappus scaber M. S. Taylor 1982-6-28 4765 A Plumas Ramelli Ranch, between Calpine Rd (109) and cow pastures, s side of Hwy 70, ca. 1 mi w of Beckwourth. 1487 Comment
  CHSC84416  Blepharipappus scaber Lowell Ahart; John Dittes 2003-8-8 10484 Plumas On an old abandoned road, on the east side of Beckwourth Calpine Road, about 3 miles south of Beckwourth, Sierra Valley. 1482 Comment
  CAS-BOT-BC16136  Boechera constancei M. S. Taylor; G. Rotta 1982-5-18 4479 Plumas Both sides of road 27N92, near Goldstripe Mine, ca. 2.25 miles southeast of Canyon Dam. 1584 Comment
  CHSC34004  Boechera constancei M. S. Taylor 1981-5-8 3649 Plumas At jcts of rds 26N18, 26N92, and 27N92, ca. 0.5 mi e of Long Valley Mine, ca. 4 air mi w of Greenville. 1615 Comment
  CHSC72307  Boechera microphylla var. microphylla L. P. Janeway; Glenn Clifton 1998-7-9 5733 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CAS-BOT-BC14107  Boechera pauciflora A. A. Heller; P. B. Kennedy 1907-7-3 8713 Plumas Hills above Red Clover Valley. Comment
  CHSC24680  Boechera pauciflora Keith Lickey 1976-4-17 70 Plumas Ca 20 m s of Highway 70 at se entrance to Grizzly Dome Tunnel; ne side of Grizzly Creek. 914 Comment
  CHSC67351  Boechera pauciflora J. D. Jokerst; R. Schlising, Ahart 1984-5-19 2020 Plumas On outcrop that is the lowermost portion of a spur ridge at the bottom of the canyon of the North Fork of the Feather River. Adjacent to Caribou Rd. several miles north of Belden, also north of the Queen Lily Campground, where road curves from east-west to north-south around spur ridge. Comment
  CAS-BOT-BC14255  Boechera pinetorum John Thomas Howell; Gordon H. True 1973-7-31 50131 Plumas Sierra Nevada. Diamond Range. On road from Janesville to Thompson Peak. 1981 Comment
  CHSC21590  Boechera pinetorum L. M. Mayer; D. E. Brink Jr. 1975-7-15 Plumas Bucks Lake. Found on the road to Spanish Peak. Comment
  CHSC58838  Boechera pinetorum Vernon H. Oswald; L. Ahart, L. Hanson, L. Janeway, J. Reynolds 1992-7-1 5045 Plumas Near the entrance of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC72306  Boechera pinetorum L. P. Janeway; Glenn Clifton 1998-7-9 5734 Plumas Thompson Peak, just east of the fire lookout tower and near the top. 2331 Comment
  CHSC101794  Boechera platysperma Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15855 Plumas Along the north road edge, near cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC21724  Boechera platysperma F. T. Griggs; A. Pass 1975-7-23 243 Plumas Cape Lake. Comment
  CAS-BOT-BC14534  Boechera puberula G. D. Barbe 1982-6-9 3654 Plumas Plumas National Forest. Southeast and below Thompson Peak, overlooking Honey Lake Valley. 2057 Comment
  CAS-BOT-BC14535  Boechera puberula Alice Eastwood 1918-5-25 7025 Plumas Portola. Comment
  CHSC82502  Boechera rectissima Lowell Ahart 2002-6-26 9774 Plumas On the east side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  SEINET3165696  Boechera rectissima R. W. Spellenberg 2006-6-23 13752 Plumas between US Hwy. 89 and Lake Almanor, 14.5 km SE of Plumas County line, 4.5 km NW of junction to Almanor 1285 Comment
  CAS-BOT-BC14723  Boechera repanda Lowell Ahart 1986-7-1 5328 Plumas South of the logging road 0.1 mile S of the West Branch of Hopkins Creek, about 0.75 mile NE of the Bunker Hill Mine. 1828 Comment
  CHSC67643  Boechera retrofracta J. D. Jokerst 1984-5-13 2006 Plumas East end of Genesee Valley, between Indian Creek and the Indian Cr Rd. 1249 Comment
  SEINET12627117 Image available Boechera retrofracta Martin Schilling 2013-1 MS 163 Plumas Little Volcano, 5.6 air miles S of Quincy, 270 ft S of Little Volcano, 160 ft NW of Limestone Point, on rocky S-facing slope 1728 Comment
  CAS-BOT-BC25580  Boechera retrofracta Mrs. H. C. Cantelow 1940-5-11 s.n. Plumas Near Meadow Valley Creek Road about 0.4 mile from M.V. Inn. Comment
  CHSC88964  Boechera suffrutescens L. Hanson 1988-7-26 328 Plumas Plumas National Forest. Red Hill Lookout. 1920 Comment
  SD149172  Boechera suffrutescens Lowell Ahart 1986-7-15 5365 Plumas South Fork of the Feather River, ca. 1.0 mile southwest of Pilot Peak, ca. 1.25 mile northeast of the Independent Mine, ca. 10 miles southwest of La Porte. 1830 Comment
  CAS-BOT-BC478471  Boisduvalia John Thomas Howell 1961-9-25 36946 Plumas Feather River bed, Portola 1478 Comment
  CHSC82540  Botrychium simplex Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9834 Plumas On the extreme northwest side of a meadow, about 40 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1723 Comment
  CHSC82542  Botrychium simplex var. compositum Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9835 Plumas In a meadow, about 150 yards south of the road, about 3/4 mile west of Lumpkin Ridge Road, about 1 mile southeast of Tamarack Flat, about 2 miles (air) northwest of Little Grass Valley Reservoir dam, about 5 miles (air) northwest of La Porte. 1716 Comment
  CHSC113620  Boykinia major Lowell Ahart 2014-8-31 19803 Plumas On the west side of Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  UCD102596  Boykinia major Jim McHenry 1992-6-1 s.n. Plumas location unknown. 1615 Comment
  SJSU4759  Brasenia schreberi C. W. Sharsmith 1969-6-19 7599 A Plumas Pond Reservoir [not Smith L--see annot], Butterfly Valley c. 4 mi SW of Keddie 1066 Comment
  CAS-BOT-BC106226  Brickellia californica W. I. Follett; E. B. Follett 1962-8-7 s.n. Plumas Sierra Nevada - East Branch of North Fork Feather River, 0.3 mile below Rush Creek Comment
  CAS-BOT-BC127711  Brickellia greenei Lowell Ahart 1986-9-10 5393 Plumas Along the South Fork of the Feather River, about 3/4 mile east of the Feather Fork Mine, about 9 miles north-east of La Porte 1706 Comment
  JEPS124135  Brickellia greenei Lowell Ahart, John Deurloo 2015-8-25 20530 Plumas 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air) south of Twain, 7.8 miles (air) west-northwest of Quincy. Comment
  SEINET10570670  Brodiaea A. Arthur Heller, Patrick B. Kennedy 1907-7-9 Heller 8791 Plumas Prattville Comment
  CAS-BOT-BC478971  Brodiaea californica subsp. californica A. A. Heller; B. B. Kennedy 1907-7-11 8796 Plumas Pratville Comment
  SEINET3884977  Brodiaea lutea var. scabra D. W. McNeal 1990-7-25 3846 Plumas Beside the Rd. to the Mills Pk. Lookout (Church Meadows Rd.), 0.5 mi. e. of the jct. of Gold Lake Rd.; 0 Comment
  CAS-BOT-BC484568  Brodiaea minor John Thomas Howell 1973-7-10 49745 Plumas Near Greenville 1097 Comment
  UC1131104  Bromus carinatus var. carinatus E. Sawyer 1935-6-14 107 Plumas sw slope of Sugarloaf Sugarloaf 1767 Comment
  CAS-BOT-BC148709  Bromus carinatus var. marginatus John Thomas Howell 1960-7-20 35760 Plumas Lassen Volcanic National Park. Boiling Springs Lake. 1798 Comment
  CAS-BOT-BC148714  Bromus carinatus var. marginatus John Thomas Howell; Gordon H. True 1973-7-31 50104 Plumas Sierra Nevada. Summit ridge of Thompson Peak, Diamond Range. 2194 Comment
  CHSC53075  Bromus carinatus var. marginatus L. P. Janeway 1989-6-29 3416 Plumas Plumas National Forest. Along edges of rd 24N44Y, 0.3 mi E of Beckwourth Genesee Rd (rd 111) 6.5 mi N of Beckwourth; across from the Crocker Station. 1755 Comment
  CDA13759  Bromus ciliatus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13491 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  JEPS115939  Bromus ciliatus Lowell Ahart, John Dittes 2009-7-13 16038 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N28, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  CAS-BOT-BC155970  Bromus commutatus Walter Knight; Irja Knight 1966-6-18 1384 Plumas Butterfly Valley. 1036 Comment
  OBI3369  Bromus diandrus Lewis S. Rose 1968-6-10 68086 Plumas Quincy 1036 Comment
  UC1131132  Bromus diandrus E. Sawyer 1935-5-24 37 Plumas 1 1/4 mi w of Kerby 1493 Comment
  CDA17242  Bromus laevipes G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16345 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  RSA201353  Bromus marginatus J. T. Howell 1960-7-18 35564 Plumas Lassen Volcanic National Park; Drakesbad 1677 Comment
  CHSC24278  Bromus orcuttianus K. R. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  JEPS76216  Bromus orcuttianus W. L. Jepson 1939-7-29 19276 Plumas Meadow Valley, Spring Hill Trail Meadow Valley; , Spring Hill Trail 1219 Comment
  CAS-BOT-BC161636  Bromus sterilis John Thomas Howell; Gordon H. True 1968-6-10 44556 Plumas Sierra Nevada. Quincy. Along railroad. 1036 Comment
  RSA641467  Bromus tectorum Michael A. Vincent 1999-6-8 8569 Plumas Plumas National Norest, Milford Ranger District. Squaw Valley. Valley floor around junction of FS Rt. 70 and FS 01. T25N R14E sect. 27. Comment
  UC1131294  Bromus tectorum C. W. Hanks 1934-8-8 17 Plumas 1 mi nw of Sierra Valley (Plumas National Forest); Plumas National Forest 1524 Comment
  CHSC73529  Calamagrostis canadensis B. Castro; L. Gehrung, H. Durio 1995-9-19 642 Plumas Tamarack Flat. Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jct with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow, near NW boundary near creek bed. 1706 Comment
  CHSC92116  Calamagrostis canadensis Lowell Ahart; John Dittes 2005-9-20 12429 Plumas On the west shore of Mud Lake, about 1/2 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 2029 Comment
  UC1564756  Calamagrostis canadensis V. Oswald, L. Ahart, and L. Hanson 1989-7-31 3905 Plumas 6.5 mi (air) N of La Porte (lake at the headwaters of Fowler (Slate) Creek; 0.5 mi (air) W of Fowler Peak) Comment
  CHSC116364  Calamagrostis canadensis Sara M. Taylor; Scott Batiuk 2012-8-1 62 Plumas Plumas National Forest. Jacks Meadow. From Quincy head west on Bucks Lake Rd, right onto Silver Lake Rd (24N29X). Go until 1 km south of Silver Lake, on left is drainage (Jack's Creek). Park and hike along drainage for ~700 m. UTM zone 10, 4423691 N, 659621 E. 1676 Comment
  CAS-BOT-BC438485  Calandrinia ciliata John Thomas Howell; Gordon H. True 1967-6-11 42577 Plumas At Quincy. 1036 Comment
  RSA52886  Callitriche verna R. Weatherby 1950-9-1 1527 Plumas Above Hellgramite Pond near Long Lake. Lakes Basin Area. 2226 Comment
  CHSC40594  Calocedrus decurrens Lowell Ahart; Jim Jokerst 1985-10-4 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles northeast of La Porte. 1828 Comment
  UC139978  Calocedrus decurrens Mrs. R. M. Austin Sep 1896 Plumas Butterfly Valley Comment
  SEINET10531066  Calocedrus decurrens Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5189 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  CHSC2444  Calochortus leichtlinii R. Carter 1965-7-6 27 I Plumas Found ca. 7 mi. W of Bucks Lake on Oroville-Quincy Rd. at Frenchman's Hill, on S side of Rd, ca. 30 yds. SSW of Frenchman's Hill sign. 1767 Comment
  RSA537550  Calochortus leichtlinii Barbara Ertter, Gary Schoolcraft 1989-7-3 8660 Plumas Ridge between Red Rock and Diamond Mt ca 8 air miles S of Susanville 2226 Comment
  CHSC62606  Calochortus nudus B. Castro 1993-7-8 473 Plumas Ca 0.5 mi W of turnoff to Bucks Lodge and other Bucks Lake resorts, off the S end of Haskins Bay ca 100 ft S of the Oro-Quincy Hwy. 1569 Comment
  CAS-BOT-BC493424  Calochortus nudus Lewis S. Rose 1963-6-3 63111 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1036 Comment
  CAS-BOT-BC493427  Calochortus nudus Mary Strong Clemens 1920-6-22 s.n. Plumas Quincy Comment
  RSA151734  Calycadenia truncata subsp. scabrella R. C. Bacigalupi, J. R. Sweeney, George Bacigalupi Jr. 1953-8-31 4346 Plumas Road from Greenville to Indian Agency, Indian Valley, about 2 miles east of Greenville. 1006 Comment
  CHSC82464  Calystegia malacophylla subsp. malacophylla Lowell Ahart 2002-6-26 9767 Plumas On the east side of the poor road, about 1 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1760 Comment
  CAS-BOT-BC221246  Calystegia malacophylla subsp. malacophylla Margaret J. Williams 1980-6-13 80- 66 -1 Plumas Caribou Power Station Road, north of Hwy 70 1066 Comment
  SJSU8752  Calystegia occidentalis subsp. occidentalis J. W. Tilden 1958-6-29 1304 Plumas SW shore L Almanor 1828 Comment
  CHSC9708  Calystegia occidentalis subsp. occidentalis Nancy Mosman 1971-7-11 75 Plumas Along e side of road ca. 1.3 mi s of Belden turnoff and Hwy 70. 1025 Comment
  UC2012965  Calystegia occidentalis subsp. occidentalis Barbara Ertter 1990-5-14 8989 Plumas Highway 70 along Feather River ca 8 air miles NW of Quincy, N side of highway at junction of Twain Store road. Comment
  SEINET10935964  Calystegia polymorpha Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3821 A Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  CHSC2246  Camassia quamash subsp. breviflora R. Morford 1931-5-16 Plumas Humbug Valley 1319 Comment
  CAS-BOT-BC497559  Camassia quamash subsp. breviflora John Thomas Howell 1960-7-23 35957 Plumas Plants of Lassen Volcanic National Park, near Soda Springs, Drakesbad 1828 Comment
  JEPS61548  Camassia quamash subsp. quamash W. L. Jepson 1927-6-23 12317 Plumas near Rice Creek (e of Mill Creek and Morgan, near point called Feather River Meadows) Comment
  CAS-BOT-BC160840  Camissonia tanacetifolia subsp. quadriperforata Mrs. H. C. Cantelow 1941-5-20 s.n. Plumas 1.7 miles n.e. of Vinton School on road to Frenchman Creek 1524 Comment
  CAS-BOT-BC160850  Camissonia tanacetifolia subsp. quadriperforata Lewis S. Rose 1934-7-23 34411 Plumas Chilcoot, Sierra Valley 1522 Comment
  RSA121155  Camissonia tanacetifolia subsp. quadriperforata Wayne E. Sawyer 1935-6-10 90 Plumas 4.75 miles SE of Sugarloaf 1494 Comment
  POM257257  Camissonia tanacetifolia subsp. tanacetifolia H. L. Mason 1924-6-15 1037 Plumas Graeagle - near Blairsden. Comment
  SEINET10939013  Campanula prenanthoides Mary Susan Taylor 1981-8-19 Taylor 4217 Plumas T23N R11E se 1/4 se 1/4 sec 17. Blue Nose Mt. quad. Jct Bell Creek and road 23N10, ca. 1.5 mi W of Sloat. Comment
  CHSC92132  Capsella bursa-pastoris Lowell Ahart; John Dittes 2005-9-19 12416 Plumas Along the west side of a good dirt road, about 1 1/4 miles east of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1998 Comment
  CHSC77204  Cardamine breweri G. Schoolcraft 1997-8-5 2632 Plumas Rock Creek. 1746 Comment
  CHSC100438  Cardamine breweri var. breweri Lowell Ahart 2008-9-10 15362 Plumas On the bottom of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1593 Comment
  CHSC87813  Cardamine breweri var. breweri Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11065 Plumas On the margins of a very small stream, in a large meadow, on the south side of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
  RSA0092972  Cardamine californica Bonnie C. Templeton 1968-6-8 11216 Plumas Twain Rd., west of Butterfly Valley, ca 10 mi. west of Quincy. Comment
  UCD114176  Cardamine cordifolia L. P. Janeway 1990-6-28 3743 Plumas Plumas National Forest, Beckwourth Ranger District; unde rJoseph Creek, on northeast side of Grizzly Ridge. 2011 Comment
  CAS-BOT-BC37793  Cardamine nuttallii Clare B. Hardham 1961-6-16 7468 B Plumas Diamond Peak. Lassen-Plumas County. Comment
  SEINET5341065  Cardamine nuttallii G. C. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  CHSC87636  Cardamine nuttallii var. covilleana Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10931 Plumas Along a dirt forest road, east of Dry Taylor Creek, about 2 miles (air) southwest of Taylor Rock, about 6 1/4 miles (air) northeast of Quincy. 1669 Comment
  CAS-BOT-BC38097  Cardamine pachystigma Roger Raiche 1985-3-29 50165 Plumas Caribou Road, 3.4 miles north of its origin at highway 70 east of Belden, along the north fork of Feather River. 701 Comment
  CHSC102644  Carex abrupta Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16140 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CAS-BOT-BC17843  Carex amplifolia Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1494 Plumas Butterfly Botanical Area and VIcinity. Fern Glen. 1097 Comment
  CAS-BOT-BC17832  Carex amplifolia Clare B. Hardham 1986-8-9 30409 Plumas Sierra Nevada Mountains. Meadow Valley - Virilia Road. Swampy place in small stream dammed by road. Comment
  CHSC108473  Carex angustata Lowell Ahart 2011-9-20 17694 -A Plumas Small gravel bar on the east side of East Branch Creek, on the east side of Quincy La Porte Road, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about 1 mile northeast of La Porte. 1593 Comment
  CHSC47351  Carex angustata L. P. Janeway 1989-6-15 3315 Plumas Plumas National Forest. Pond across road from springy slope; jct of roads 111 (Beckwourth-Genesee Rd) and rd 24N49Y; near N end of Crocker Valley. 1730 Comment
  CHSC116380  Carex angustata Sara M. Talyor; Scott Batiuk and Kendra Sikes 2012-7-18 45 Plumas Quaking Fen, 720 m east of Mill Creek trail. From trailhead walk ~2 miles north on trail and then head east 720 m at a bearing of 260 degrees to fen. UTM zone 10, NAD 83, 4423775 N, 655262 E. 1940 Comment
  CAS-BOT-BC19733  Carex athrostachya Lewis S. Rose 1932-9-5 32617 Plumas Jamison Lake. 1889 Comment
  CAS-BOT-BC19742  Carex athrostachya W. R. Dudley 1909-8-27 s.n. Plumas Sierra Valley. Dry Creek bed near East Hot Springs. Comment
  CHSC20769  Carex athrostachya K. R. Stern 1975-7-24 5866 Plumas s shore of Lake Almanor. 1371 Comment
  UC710501  Carex athrostachya Thomas H. Kearney Aug 14-26 1944 22 C Plumas Lake Almanor Prattville Comment
  CAS-BOT-BC19741  Carex athrostachya L. W. Swift 1934-7-18 124 Plumas Squaw Queen. 1828 Comment
  CAS-BOT-BC19094  Carex aurea George Wilson Gillett 1957-7-19 847 Plumas lassen Volcanic National Park. Near trail above the Devils Kitchen, just beyond very large spring. 2057 Comment
  CAS-BOT-BC19524  Carex bolanderi John Thomas Howell 1962-6-17 37649 Plumas Sierra Nevada. Butterfly Valley. 1036 Comment
  CHSC46994  Carex bolanderi L. P. Janeway 1989-8-2 3551 Plumas Plumas National Forest. Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. 1752 Comment
  JEPS114816  Carex bolanderi Lowell Ahart 2008-8-14 15205 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast 1600 Comment
  CAS-BOT-BC19525  Carex bolanderi John Thomas Howell 1975-6-15 51121 Plumas Sierra Nevada. North Fork Feather River near Storrie. 548 Comment
  CDA33045  Carex bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3277 Plumas China Grade Road, 1.4 miles south of Taylorsville. Comment
  JEPS95366  Carex brainerdii Lowell Ahart 1994-6-29 7419 Plumas about 1/2 mi S of Bucks Lake (W of a poor logging road) 1828 Comment
  JEPS95618  Carex brainerdii Lowell Ahart 1994-6-17 7360 Plumas W side of a poor logging road, W side of Sly Creek, about 1/10 mi N of the locked gate, 1 mi E of Sly Creek Reservoir 1097 Comment
  UC1778639  Carex brainerdii G. Douglas Barbe, T. C. Fuller 1982-6-15 3717 Plumas 1.0 mle below and NE of Red Hill summit, Plumas National Forest. 1761 Comment
  RSA364726  Carex brainerdii Christopher Davidson 1975-6-7 2732 Plumas On Humboldt Road, branching W of highway 89, W of Lake Almanor. Ca. 3 miles W on this road. 1524 Comment
  CHSC110456  Carex echinata subsp. echinata L. P. Janeway 2013-6-2 11124 Plumas Northern High Sierra Nevadda. Small meadow 0.3 km east-southeast of the Buckhorn survey monument on the eastern end of Red Mountain. 1892 Comment
  JEPS110426  Carex echinata subsp. echinata Lowell Ahart 2006-7-9 12916 Plumas Small bog or wet meadow, below the basalt gravel road, about 2 miles (air) west of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir 1648 Comment
  CHSC95061  Carex filifolia var. erostrata L. P. Janeway; B. Castro 2006-6-14 8691 Plumas Northern High Sierra Nevada. Lower-most part of Thompson Valley, about 435 m northwest of its mouth at McReynolds Creek, 1.4 km north of Red Clover Creek. About 60 m southwest of the creek. 1664 Comment
  SEINET13352673  Carex filifolia var. erostrata W. Harnach 2004-5-15 1187 Plumas Sierra Valley, 1.75 miles south of Hwy 70 on Co. Rd. A-24 at the corrals 1486 Comment
  CAS-BOT-BC22346  Carex filifolia var. filifolia John Thomas Howell 1962-6-18 37776 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1487 Comment
  CHSC63287  Carex fracta Lowell Ahart 1994-6-17 7349 Plumas Meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  CHSC76811  Carex fracta G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-22 3059 Plumas 10.6 miles NE of La Porte on La Porte-Quincy Road; 8.3 miles NE of junction, Little Grass Valley Reservoir Road, headquarters of South Fork Feather River. 1889 Comment
  CHSC92294  Carex fracta Lowell Ahart; Josephine Guardino 2005-8-10 12318 Plumas South of a small wet meadow, south of a small branch of Lights Creek, east side of Forest Road 27N54, about 5 1/2 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake. 1821 Comment
  RSA95479  Carex fracta L. S. Rose 1954-5-30 54073 Plumas Johnsville 1601 Comment
  JEPS109093  Carex geyeri D. W. Taylor 2008-6-18 20224 Plumas Deanes Valley along South Fork Rock Creek, Forest road 24 N28, 0.2 road miles S junction with Forest Road 23N16X (watershed N Fork Feather River). Comment
  CHSC76323  Carex heteroneura var. heteroneura G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-16 13263 Plumas Northern California, Sierra Nevada, Plumas National Forest. Along Bull Run Creek off USFS 23N12E. [Original lat./long. on label is '39 54 N; 120 38 W']. 1950 Comment
  CAS-BOT-BC28125  Carex hoodii John Thomas Howell 1951-6-27 27565 Plumas Johnsville 1584 Comment
  RSA95487  Carex integra L. S. Rose 1954-5-30 54066 Plumas Johnsville 1601 Comment
  CHSC112391  Carex jonesii L. P. Janeway 2014-7-16 11549 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km north-east of Cromberg; along Long Valley Creek in the middle of Happy Valley. 1719 Comment
  CHSC43006  Carex lemmonii L. P. Janeway; B. Castro 1987-7-17 2488 Plumas Unnamed western fork of Mohawk Cr; vicinity of Clio. Ca 2 mi south (via rd) of the rd to Lakes Basin. 1584 Comment
  SD71003  Carex lemmonii John Thomas Howell 1960-7-23 35946 Plumas Lassen Volcanic National Park; Drakesbad; meadow near soda spring. 1676 Comment
  SEINET12650661  Carex lemmonii L. S. Rose 1967-1 67111 Plumas Butterfly Valley 1219 Comment
  CHSC73450  Carex lenticularis var. lipocarpa B. Castro; L. Gehrung 1995-9-19 652 Plumas Ca 2 air mi NW of Little Grass Valley Reservoir, on N side of USFS Rd 22N94, ca 2 road mi NW of its jcn with Lumpkin Ridge Rd (USFS Rd 22N27). In Tamarack Flat meadow, in SE and NW portions of meadow. 1706 Comment
  SEINET7564700 Image available Carex lenticularis var. lipocarpa L. P. Janeway 2003-9-20 8001 Plumas Northern High Sierra Nevada. Along edges of Round Lake, especially at the outlet, northeast side of Sierra Nevada crest, Lakes Basin Recreation Area. Gold Lake 7.5' quad. 2047 Comment
  RSA715531  Carex limosa L. P. Janeway, B. Castro 2005-9-11 8540 Plumas Northern High Sierra Nevada. North edge of the fen above the middle of the Grassy Lakes, about 0.8 km northeast of Three Lakes. 1896 Comment
  SEINET10706966  Carex limosa Vernon H. Oswald, Lowell Ahart 1988-8-4 Oswald 3678 Plumas T29N, R5E, se/nw/S6, Red Fir Forest. Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. 1676 Comment
  CAS-BOT-BC31571  Carex luzulifolia Robert J. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2103 Comment
  CAS-BOT-BC31572  Carex luzulifolia Robert J. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2103 Comment
  UC1075694  Carex luzulifolia Robert J. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area 2103 Comment
  RSA101476  Carex luzulifolia R. Weatherby 1955-6-26 1543 Plumas Mud Lake, Lakes Basin Area. 2104 Comment
  CHSC96051  Carex mariposana L. P. Janeway 2006-9-9 8876 Plumas High Cascade Range. Near end of Road 29N02Y, 0.8 km southwest of confluence of Panther Creek and North Arm Rice Creek; 1.2 km northeast of Blue Lake. 1932 Comment
  CDA33109  Carex microptera L. P. Janeway 2000-6-24 6837 Plumas Northern High Sierra Nevada; Diamond Mountains; 1.1 km southeast of Crystal Peak; near top of ridge, southwest slope. Comment
  CHSC101789  Carex multicaulis Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15860 Plumas North of cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  CHSC109558  Carex multicostata L. P. Janeway 2012-8-1 11040 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; east side of Gibson-Johnsville Road about 0.5 km north of its bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1729 Comment
  CHSC109841  Carex multicostata L. P. Janeway 2012-8-8 11049 Plumas Northern High Sierra Nevada. Plumas National Forest; east side of West Branch Nelson Creek; just east of the Gibsonville-Johnsville Road bridge across West Branch Nelson Creek; 2.5 air km east of Stafford Mtn. 1745 Comment
  CHSC55563  Carex multicostata L. P. Janeway 1990-6-28 3736 Plumas Plumas National Forest. At the head of Joseph Creek, on northeast side of Grizzly Ridge. 2118 Comment
  UC943034  Carex multicostata Lewis S. Rose 1951-6-28 51036 Plumas 8 mi sw Johnsville; McRae Meadows 1950 Comment
  CAS-BOT-BC119861  Carex nebrascensis M. S. Taylor 1982-6-14 4658 Plumas Antelope Lake quad. In wet Pioneer Meadow, E side of Antelope Lake, 1536 Comment
  JEPS107702  Carex nervina Lowell Ahart, John Dittes 2005-9-20 12452 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley 2004 Comment
  JEPS28362  Carex nervina George W. Gillett 1957-7-13 754 Plumas across creek from the Devils Kitchen (Lassen Volcanic National Park); Lassen Volcanic National Park 1859 Comment
  CAS-BOT-BC119183  Carex pachystachya Alice Eastwood 1927-6-1 14688 Plumas Forest Lodge near Greenville. Comment
  CAS-BOT-BC119008  Carex pellita John Thomas Howell 1959-9-23 s.n. Plumas Meadow 3 mi from Juniper Lake on road to Chester. 1889 Comment
  CHSC118672  Carex pellita Wendy Boes 2014-7-17 2014017 B Plumas Smith Creek, Lakes Basin, Plumas National Forest. UTM 700011 E, 4400726 N, NAD83, Zone 10N. 1828 Comment
  CAS-BOT-BC118126  Carex rossii John Thomas Howell 1951-6-28 27709 Plumas Eureka Peak 2255 Comment
  CHSC76818  Carex rossii G. Douglas Barbe; J. T. Howell, T. C. Fuller 1981-6-24 3269 Plumas Summit of Mt. Hough. 2194 Comment
  CHSC111166  Carex scabriuscula Lowell Ahart 2012-7-1 18262 Plumas On the east side of the dirt road to the large pipe,about 1/4 miles east of Caribou Road, about 3 1/2 miles (air) northeast of Belden. 807 Comment
  CHSC81928  Carex scabriuscula Samantha Hillaire 2001-10-29 299 B Plumas Northern High Sierra Nevada. Southeast of Buckhorn and Granite Summits, just north of 23N69 road above the roadcut, below 2 large rock outcrops. 1877 Comment
  JEPS105627  Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. At meadow and shallow pond complex in cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area 2115 Comment
  SEINET7574995 Image available Carex scopulorum var. bracteosa L. P. Janeway 2003-9-20 7994 Plumas Northern High Sierra Nevada. In cirque 0.15 km southwest (up-drainage) of Hellgramite Lake; northeast side of Sierra Nevada crest; Lakes Basin Recreation Area. Gold Lake 7.5' quad. 2115 Comment
  CAS-BOT-BC117524  Carex sheldonii D. H. Esplin; R. K. Gierisch 1968-10-3 6 Plumas Crocker guard station horse pasture. 1737 Comment
  CHSC118662  Carex sheldonii Chelsea Morgan 2015-7-11 2015027 Plumas Plumas National Forest. Located along Willow Creek, west of 28N31A. UTM 700625 E, 4456827 N, NAD83 Zone 10N. 1675 Comment
  CAS-BOT-BC114999  Carex subfusca John Thomas Howell 1960-7-20 35712 Plumas Dry, open rocky meadow in Drakesbad. 1828 Comment
  JEPS107615  Carex subfusca Lowell Ahart, Josephine Guardino 2005-8-9 12290 Plumas On the bottom of Fant Creek, about 150 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS117656  Carex subfusca Lowell Ahart 2010-7-27 16926 Plumas On the north side of the paved road, about 1/2 mile north of Goat Mountain, about 3 miles (air) northeast of La Porte 1680 Comment
  SEINET4292206 Image available Carex subfusca L. Ahart, Guardino, J 2007-1 14356 Plumas Open dry flat, south of the dirt road, about 1/2 mile (air) south of Bagley Pass, about 400 yards north of Lake Davis. Comment
  SEINET7577206 Image available Carex subfusca Unknown 2003-9-6 7980 Plumas Red Cinder 7.5' quad. High Cascade Range, near un-named lake split by the Caribou Wilderness Area boundary, 2.4 km west of Hay Meadow. 2057 Comment
  SEINET10751199  Carex teneriformis W. I. Follett 1946-5-27 Follett s.n. Plumas Rich Gulch. Comment
  JEPS96113  Carex utriculata Vernon H. Oswald and Lowell Ahart 1996-7-15 8055 Plumas on Forest Rd. 28N11 just s Last Chance Campground (n end of lake); High Cascade Range, Lake Almanor, Last Chance Marsh 1371 Comment
  JEPS116061  Carex whitneyi Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15907 Plumas About 100 yards northwest of Lake Almanor Dam 1421 Comment
  SEINET7580517 Image available Carex whitneyi L. P. Janeway 2001-6-15 7181 Plumas Almanor 7.5' quad, High Cascade Range, east side of Humbug Road about 2.7 km southwest of shore of Lake Almanor, 4.0 mi west of Prattville. 1399 Comment
  UCD140982  Carex whitneyi L. P. Janeway 1999-7-17 6509 Plumas gentle south-facing slope at the wide saddle of Humboldt Summit. 2020 Comment
  CAS-BOT-BC114938  Carex whitneyi L. P. Janeway 1990-7-18 3804 Plumas Near Emigrant Creek 1/4 mi N of the crest of Grizzly Ridge. 2103 Comment
  CAS-BOT-BC59033  Cassiope mertensiana Anna Head 1921-1-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC248955  Castilleja B. Carlson 1981-5-15 028 Plumas Hwy. 431 4.3 mi. E. of jct. Hwy. 395 1524 Comment
  CAS-BOT-BC249007  Castilleja David D. Keck 1932-7-3 1646 Plumas Quincy, in the Northern Sierra Nevada 1220 Comment
  CAS-BOT-BC249010  Castilleja Clare B. Hardham 1975-8-2 20471 Plumas Black Mt. 2133 Comment
  SBBG40127  Castilleja applegatei C. B. Hardham 1961-6-16 7459 Plumas Diamond Peak [Diamond Mountain] Comment
  CHSC102068  Castilleja applegatei subsp. pinetorum Lowell Ahart; John Dittes 2009-7-15 16095 Plumas On dry rocky soil, under the power line, on the south side of Forest Service Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  CHSC24438  Castilleja applegatei subsp. pinetorum D. E. Brink Jr.; L. M. Mayer 1975-7-8 Plumas Found in the north part of the section along the roadside above Lower Bucks Lake. Comment
  JEPS15477  Castilleja applegatei subsp. pinetorum Joseph and Hilda W. Grinnell 1938-6-11 1092 a Plumas Mohawk 1341 Comment
  RSA755689  Castilleja applegatei subsp. pinetorum L. Ahart, John Dittes 2009-7-15 16095 Plumas Under the power line on the south side of Forest Service Road 26N22, about 2.3 air miles southeast of Butt Valley Reservoir Dam. 1518 Comment
  JEPS74160  Castilleja arachnoidea Loran C. Anderson 1974-7-5 3688 Plumas 15 air mi nw Portola (below Mt. Ingalls summit beside road); Mt. Ingalls 2514 Comment
  SD7028  Castilleja campestris subsp. campestris Daniel Cleveland 1882-7-22 Plumas Prattville Comment
  SEINET10964338  Castilleja chromosa Mary Susan Taylor 1982-7-12 Taylor 4822 Plumas T22N R11E nw/ne sec 33. Sierra City NW quad. On rock outcrops on n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground. 6000 ft. 1829 Comment
  SD7128  Castilleja lemmonii Daniel Cleveland July 1882 Plumas Big Meadows Comment
  CAS-BOT-BC254000  Castilleja miniata E. K. Balls 1950-9-1 15668 Plumas east of Long Lake in meadow sloping to 2 smaller lakes (Helgamite Pont?) 2133 Comment
  CAS-BOT-BC254066  Castilleja miniata Anna Head 1920-8-5 s.n. Plumas Gold Lake Camp. Feather River Region Comment
  CAS-BOT-BC254073  Castilleja miniata Rimo Bacigalupi 1927-7-12 1732 Plumas along Little Grey Eagle Creek near Lakes Center Camp, Gold Lake Region 1981 Comment
  JEPS9765  Castilleja miniata W. L. Jepson 1939-7-31 19315 Plumas 2 mi from Spanish Peak summit (halfway between Meadow Valley and Buck's Valley, lower slopes of Spanish Peak); Spanish Peak 2042 Comment
  JEPS118430  Castilleja miniata subsp. miniata Lowell Ahart 2011-9-20 17684 Plumas Open area along a very small stream, on the north side of the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte 2072 Comment
  CAS-BOT-BC241038  Castilleja pilosa A. A. Heller; P. B. Kennedy 1907-7-5 8747 Plumas Red Clover Valley Comment
  JEPS32704  Castilleja pilosa Lewis S. Rose 1963-6-4 63124 Plumas 2 mi s Beckwourth; Sierra Valley 1463 Comment
  SEINET14164078  Castilleja pilosa var. pilosa A. A. Heller, P. B. Kennedy 1907-7-5 8747 Plumas Red Clover Valley. Comment
  CHSC102639  Castilleja tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16135 Plumas On the west side of Forest Service Road 27NO2K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  CHSC20821  Castilleja tenuis K. R. Stern 1975-7-25 5818 Plumas N shore of Lake Almanor. 1371 Comment
  JEPS106309  Castilleja tenuis Lowell Ahart, John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11052 Plumas On the north side of a small meadow, about 50 yards north of the dirt road, road goes to Lake Davis, about 1/2 mile west of Lake Davis, about 11 1/2 miles (air) northeast of Slote 1777 Comment
  JEPS113657  Castilleja tenuis Lowell Ahart, John Dittes 2007-6-16 14127 Plumas Gravel bars along a small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SEINET5343757  Caulanthus major var. nevadensis W. Harnach, N. Harnach 2005-7-7 1218 Plumas Black Mountain, 11 air miles north of Dixie Mtn lookout, overlooking Honey Lake 2134 Comment
  CAS-BOT-BC48616  Ceanothus cordulatus M. B. Kildale 1926-9-11 2727 Plumas Juniper Lake 2054 Comment
  CAS-BOT-BC48699  Ceanothus cordulatus Rimo Bacigalupi 1927-7-4 1656 Plumas upper reaches of trail between Gray Eagle Valley and Long Lake Comment
  POM253289  Ceanothus cordulatus A. A. Heller 1938-6-4 15138 Plumas E of Chester. 1311 Comment
  CAS-BOT-BC50764  Ceanothus integerrimus C. R. Quick 1947-7-30 47 -69 Plumas Bit Bar Mt. 1249 Comment
  CAS-BOT-BC50765  Ceanothus integerrimus Clarence R. Quick 1942-8-4 42 45 A Plumas Bit Bar Mt., Feather River Canyon east of Pulga Comment
  RSA74355  Ceanothus integerrimus var. puberulus Milo S. Baker 1952-5-26 12471 Plumas Back of Cottages on yellow Creek, Belden, Feather River Canyon Comment
  CAS-BOT-BC52060  Ceanothus prostratus John Thomas Howell; Gordon H. True 1967-7-11 43320 Plumas about 3 miles Southeast of Mt. Hough 1706 Comment
  CDA13442  Ceanothus prostratus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13289 Plumas Sierra Nevada; 5 mi. east of Sloat on USFS 23N11A. 1889 Comment
  CDA13755  Ceanothus prostratus G. F. Hrusa, B. Smith, T. D. Wilfred 1996-8-11 13487 Plumas Sierra Nevada; Slopes to E of upper Bull Run Creek off USFS 23N12E. Comment
  LA44962  Ceanothus prostratus Carl Epling; William Robison 1935-7-15 sn Plumas Chester 1219 Comment
  RSA39768  Ceanothus prostratus P. A. Munz 1947-5-16 11840 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA59889  Ceanothus prostratus E. K. Balls 1950-9-14 15816 Plumas 6 miles northwest of Chester, North Fork Feather River Comment
  UC1071279  Ceanothus prostratus C. W. Hanks 1934-8-8 15 Plumas ridge top nw Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UCD112672  Ceanothus prostratus Michael A. Vincent 1999-6-8 8558 Plumas Plumas National Forest, Milford Ranger District. Along FS 28N03 between FS 27N25 and FS 26N16. Comment
  SEINET13946045 Image available Ceanothus prostratus E. K. Balls 1950-1 15623 Plumas Road to Mt. Ingalls Lookout after leaving road from Ramelli to Walker Mine. Alt 6900 ft 2103 Comment
  CAS-BOT-BC52169  Ceanothus pumilus Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1648 Plumas Along roadside in area adjacent to Sweetwater Meadow 1127 Comment
  RSA121650  Ceanothus velutinus E. Sawyer 1935-6-14 111 Plumas Two miles northeast of Kerby. 1646 Comment
  UC634583  Ceanothus velutinus Herbert L. Mason 1924-6-18 1057 Plumas road between Graeagle and Gold Lake; rd between Graeagle and Gold Lake Comment
  CHSC84527  Centaurea cyanus John Dittes; Lowell Ahart 2003-8-8 2003 -98 Plumas Northern High Sierra Nevada; northern Sierra Valley, ca. 3.9 air-mile southeast of Beckwourth, 9.8 air-mile northeast of Calpine, ca. 0.8 mile south of Western Pacific Railroad. At edge of Dyson Lane. 1488 Comment
  CDA43038  Centaurea diffusa Willo Vieira 2014-8-2 PDR# 320 P06131672 Plumas Whilhoitte Road, Chester. 0 Comment
  JEPS113421  Centaurea stoebe subsp. micranthos Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14456 Plumas On the south side of Lake Davis Road, about 1 mile southwest of Lake Davis Dam, about 4 miles (air) north of Portola 1767 Comment
  JEPS24248  Cephalanthera austiniae Helen-Mar Beard 1960-6-20 Plumas just s. Caribou (w. of Cherry Hill, summit at head of Rich Gulch on way to Red Hill Lookoot, ridge between N. Fork Feather R. & E. Branch N. Fork, forest service rd.) 1463 Comment
  CAS-BOT-BC388354  Cerastium glomeratum J. T. Howell; Walter Knight; Irja Knight; G. H. True 1967-5-7 2228 B Plumas Butterfly Botanical Area and Vicinity. Flat near Pond Reservoir 1097 Comment
  CAS-BOT-BC388357  Cerastium glomeratum Alice Eastwood 1927-6-11 14445 Plumas United States Forest Reserve. Crescent Mills Comment
  RSA52919  Ceratophyllum demersum R. Weatherby 1950-7-21 1479 Plumas Feather River Canyon, near Twain. Chain Bar Resort. Comment
  CAS-BOT-BC207379  Cercis occidentalis Bonnie Templeton 1967-4-24 s.n. Plumas Feather River Canyon, near Storrie. Comment
  CHSC34284  Cercocarpus ledifolius var. ledifolius M. S. Taylor 1981-7-6 3979 Plumas In the Y of the two Ross Canyon Rds (25N31A and B), ca. 1.5 mi e of Dixie Valley Rd (28N01), ca. 16 air mi nw of Chilcott. 1920 Comment
  UC1127893  Cercocarpus ledifolius var. ledifolius C. G. Albertus 1935-8-22 270 Plumas 2 mi wnw of Chases (Plumas National Forest); Plumas National Forest 1645 Comment
  CAS-BOT-BC276722  Chaenactis douglasii var. douglasii John Thomas Howell 1951-6-28 27712 Plumas Eureka Peak 2255 Comment
  CHSC41398  Chaenactis douglasii var. douglasii Lowell Ahart 1986-7-8 5362 Plumas Near an open bare serpentine area, south of where the road crosses Onion Valley Creek, about 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1920 Comment
  JEPS113616  Chaenactis douglasii var. douglasii Lowell Ahart, John Dittes 2007-6-16 14118 Plumas West of a smalll stream, on the south side of County Road 111 (Beckwourth Genesee Road), 10 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  UC1122495  Chamerion angustifolium subsp. circumvagum G. T. Nordstrom 1934-7-2 174 Plumas 1 1/2 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quadrangle Comment
  CHSC24221  Cheilanthes gracillima D. Brink; L. Mayer 1975-7-2 Plumas Buck's Lake Floristic Survey. Comment
  SEINET3870076  Cheilanthes gracillima D. W. McNeal 1996-7-29 4189 Plumas Along the Gray Eagle Creek Trail ca. 1.5 mi. S. of Gray Eagle Lodge, Plumas Nat. For.; 0 Comment
  CHSC58187  Chenopodium atrovirens Vernon H. Oswald; Lowell Ahart 1992-6-22 5007 Plumas Lassen Volcanic National Park. Willow Lake-Terminal Trail just W of Hot Springs Creek. 1658 Comment
  CDA23360  Chenopodium botrys L. Ahart 2006-10-23 13472 Plumas On the east side of Slate Creek (there is a large gravel flat caused by the dam), where the road ends, about 50 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast of Strawberry Valley. Comment
  CDA3087  Chenopodium strictum var. glaucophyllum J. T. Howell 1959-9-21 34812 Plumas Indian Creek Canyon. Comment
  CAS-BOT-BC451425  Chimaphila menziesii Mrs. E. C. Sutliffe 1919-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC451421  Chimaphila menziesii Mrs. A. L. Coombs 1955-6-1 s.n. Plumas Prattville Comment
  RSA101398  Chimaphila menziesii R. Weatherby 1955-7-21 1646 Plumas Bottle Springs, near Middle Fork Feather River. 1616 Comment
  CHSC102078  Chimaphila umbellata Lowell Ahart; John Dittes 2009-7-14 16066 Plumas On dry soil, on the both sides of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  SEINET11242259  Chorispora tenella W. Harnach, N. Harnach 1990-4-18 261 Plumas Sierra Valley, Marble Lane, across from Charmicheal Pond. 1486 Comment
  SEINET10475116  Chrysanthemum leucanthemum var. pinnatifidum Mary Susan Taylor 1982-6-24 Taylor 4753 Plumas T24N R9E ne/ne sec 15. Quincy quad. N side of ridge at entrance to Gansner Park from Hwy 70, Quincy. Open bare rdcut. 3500 ft. 1069 Comment
  JEPS48669  Chrysolepis sempervirens Esther C. Fritz 1933-7-4 Plumas Spanish Peak 2133 Comment
  JEPS58686  Chrysolepis sempervirens W. L. Jepson 1918-8-16 8003 Plumas Gold Run Creek; Susanville 1524 Comment
  UCD110124  Chrysolepis sempervirens Beecher Crampton 1964-8-26 7166 Plumas 5.2 miles n.w. of Chester, High Bridges Campground, Warner Creek. 1493 Comment
  RSA126613  Chrysothamnus nauseosus subsp. albicaulis C. G. Albertus 1935-10-11 293 Plumas 2.9 miles NE of Loyalton 1524 Comment
  RSA300576  Chrysothamnus nauseosus subsp. albicaulis John Dourley, Walter Wisura 1982-10-13 3862 Plumas 0.5 miles from Hwy. 89 along Gold Lake Road, S of Graegle Comment
  RSA129838  Chrysothamnus parryi subsp. nevadensis C. G. Albertus 1935-8-12 260 Plumas 2 miles NE of Grizzly Peak. 1738 Comment
  CHSC97267  Chrysothamnus viscidiflorus subsp. viscidiflorus Lowell Ahart; John Dittes 2007-8-9 14431 Plumas Along the west side of the poor road, west slope of Mount Ingalls, about 6 miles (air) northwest of the north end of Lake Davis. 2551 Comment
  UC403968  Cicuta douglasii H. M. Hall 1912-8-3 9376 Plumas Sierra Nevada Mountains, Quincy Quincy; Sierra Nevada Mountains, Quincy 1066 Comment
  UCD127283  Cicuta douglasii R. Tofsrud 1948-7-1 s.n. Plumas Quincy. Comment
  SEINET10454641  Cicuta douglasii Mary Susan Taylor 1982-7-22 Taylor 4901 Plumas T24N R8E nw/ne sec 12. Bucks Lake quad. On earth dam crossing Waupaunsie Creek, w side of Snake Lake Rd, ca. 1.5 mi ne of Meadow Valley. 4750 ft. 1448 Comment
  JEPS102746  Cinna latifolia Lowell Ahart 2001-7-19 8951 Plumas On the sides of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  CAS-BOT-BC190011  Cinna latifolia John Thomas Howell 1960-7-22 35925 Plumas Lassen Volcanic National Park. Along brook near Devil's Kitchen near Drakesbad. 1828 Comment
  CHSC43558  Circaea alpina subsp. pacifica Lowell Ahart 1976-7-16 1175 Plumas Seep, about 1/2 mile east of Dogwood Creek, about 1 1/2 miles north-west of Fowler Peak, about 5 miles north-west of Little Grass Valley Reservoir. 1828 Comment
  RSA101427  Circaea alpina subsp. pacifica R. Weatherby 1955-8-6 1678 Plumas US Forest Service Camp. Meadow Valley. 1159 Comment
  SEINET10453139  Circaea alpina subsp. pacifica Mary Susan Taylor 1982-6-23 Taylor 4714 Plumas T23N R10E sw/ne sec 18. Blue Nose Mt quad. Along tributary to Middle Cr, s side of 23N10-Peoria Cr Rd, 1.7 mi w of its jct with 23N50Y, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  JEPS112696  Cirsium andersonii Dean W. Taylor 2000-7-30 17535 Plumas spring about 1 mile SE of SE arm Antelope Lake (along Forest Road 27N41 0.2 mi S of junction with Forest Road 172) 1554 Comment
  JEPS102809  Cirsium arvense Lowell Ahart 2001-9-18 9272 Plumas About 100 feet north of the pond, Butterfly Valley, about 5 miles (air) NW of Quicy. 1104 Comment
  SEINET13351416 Image available Cirsium ochrocentrum T. C. Fuller 1963-8-28 11173 Plumas Roadside, Loyalton-Vinton Hwy just N. of Plumas Co. line Comment
  CAS-BOT-BC286360  Cirsium scariosum John Thomas Howell 1951-6-29 27736 Plumas Near Spring Garden Comment
  UC1119181  Cirsium scariosum var. americanum E. Sawyer 1935-9-27 206 Plumas 1.4 mi se Crow; Plumas National Forest, Sierraville Quadrangle Comment
  CAS-BOT-BC228908  Cistanthe umbellata Robert J. Weatherby 1955-6-22 1540 Plumas Spanish Peak 2133 Comment
  CHSC28485  Clarkia gracilis subsp. gracilis R. A. Schlising 1979-6-12 3454 Plumas Along Hwy 70 in Feather River Canyon, 3.9 miles SW of jct with Hwy 89 west of Quincy. Comment
  CDA38044  Clarkia mildrediae subsp. lutescens L. P. Janeway 2001-7-3 7255 Plumas Northern High Sierra Nevada.; Along Road 24N28 on nose of ridge between Four Water Creek and Bear Creek. Comment
  CHSC71154  Clarkia mildrediae subsp. lutescens L. P. Janeway 1994-7-13 4693 Plumas Between Lookout Rock and Middle Fork Feather River; along Road 23N19 6.1 mi southeast of Road 23N60. Southwest-facing road cutbank. 1621 Comment
  CHSC89914  Clarkia mildrediae subsp. lutescens N. L. Jurjavcic; W. A. Sears 2004-7-28 Plumas Northern High Sierra Nevada. Along the perimeter of the northwestern arm of Little Grass Valley Reservoir. Adjacent to a trail. Located 20-30 feet above the high water mark. 1524 Comment
  CHSC55720  Clarkia purpurea K. R. Stern 1985-6-25 8250 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC163853  Clarkia purpurea subsp. quadrivulnera A. A. Heller; P. B. Kennedy 1907-7-12 8827 Plumas Between Taylorville & Crescent Crescent Mills Comment
  CAS-BOT-BC164915  Clarkia rhomboidea John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2224 Plumas Trestle Glen Comment
  CAS-BOT-BC164925  Clarkia rhomboidea A. A. Heller; P. B. Kennedy 1907-7-4 8720 Plumas Ridge east of Red Clover Valley Comment
  CDA38040  Clarkia rhomboidea T. C. Fuller 1958-7-7 1914 Plumas 3 miles west of Virgilia. 0 Comment
  CAS-BOT-BC165393  Clarkia stellata A. A. Heller; P. B. Kennedy 1907-7-9 8778 Plumas Prattville Comment
  CHSC20828  Clarkia stellata K. R. Stern 1975-7-23 5823 Plumas NW shore of Lake Almanor. 1371 Comment
  CHSC70762  Clarkia stellata L. P. Janeway 1994-6-11 4660 Plumas Humbug Road 0.5 mi south of Humboldt Road; about 2 mi southwest of Lake Almanor. 1377 Comment
  NY1085603  Clarkia stellata A. A. Heller 1907-7-9 8813 Plumas Prattville Comment
  SEINET4149817  Clarkia stellata A. A. Heller, P. B. Kennedy 1907-7-9 8813 Plumas Prattville Comment
  UCD23349  Clarkia stellata E. W. Jameson 1949-6-17 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CHSC72454  Clarkia unguiculata L. P. Janeway 1998-7-1 5693 Plumas East side of North Fork Feather River and Hwy 70, 0.4 mi south of Tobin. West-facing slope above the road. 579 Comment
  SD8160  Claytonia exigua subsp. exigua Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC107269  Claytonia lanceolata L. P. Janeway; Matt Simenc 2011-7-11 10514 Plumas Northern High Sierra Nevada. Plumas National Forest; un-named ridge between South Fork Feather River and Gibsonville ridge, 2.5 km east of Little Grass Valley Reservoir. Gravelly open area just over the north edge of the ridge. 1810 Comment
  SEINET10863161  Claytonia lanceolata Mary Susan Taylor, G. Rotta 1981-6-18 Taylor 3936 Plumas T25N R12E nw/se sec 34. Grizzly Valley quad. Snow ponds, SE side of Mt Ingalls, ca. 14 air mi N of Blairsden. 7300 ft elev. 2225 Comment
  SEINET10572732  Claytonia rubra Mary Susan Taylor, M. Foster 1981-6-10 Taylor 3889 Plumas T24N R14E nw sec 7, Crocker Mt quad. In Red Clover Valley, Overland Inc. Ranches, ca. 3/4 mi N of Genesee- Beckwourth Rd, ca. 11 air mi NW of Beckwourth; elevation ca. 5500 ft.; Sagebrush Scrub on dry sandy soil. 1676 Comment
  SEINET10572734  Claytonia rubra Mary Susan Taylor 1982-5-6 Taylor 4408 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  SEINET10962340  Claytonia rubra Mary Susan Taylor 1981-5-10 Taylor 3674 Plumas T27N R12E se sec 15, Antelope Lake quad. N side of Antelope Lake, ca. 1/4 mi E of Boulder Creek and USFS Work Center, between rd and lake, ca. 20 mi NE of Taylorsville. 5040 ft. 1536 Comment
  CDA14716  Claytonia rubra subsp. rubra G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3232 Plumas Mt. Hough-Crystal Lake Road 0.2 mile south of China Grade Road (to Taylorsville). 1737 Comment
  UC1136714  Claytonia rubra subsp. rubra E. Sawyer 1935-6-10 93 Plumas 4.75 mi wsw Summit; Sierraville Quad. 1493 Comment
  CHSC112568  Collinsia parviflora B. Castro; L. P. Janeway 2007-6-9 1635 Plumas Northern High Sierra Nevada. NE side of lower Thompson Valley 1.2 mi N of the mouth of McReynolds Creek at Red Clover Creek. In narrow band of dry to fairly moist sagebrush meadow downstream of small rock dam, near E edge of Thompson Creek, ca 300 ft below edge of open Ponderosa-Jeffrey pine forest. 1670 Comment
  CHSC89314  Collinsia parviflora G. Douglas Barbe; T. C. Fuller 1982-7-16 3763 Plumas Sierra Nevada. Lava cap ridge 1.5 miles west of Wheeler Peak and 1 mile south of Beardsley Mine on forest road 3.8 mile south of Green Flat, Plumas National Forest. 1981 Comment
  JEPS115866  Collinsia parviflora Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15867 Plumas East of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam. 1462 Comment
  SEINET13395130  Collinsia parviflora A. A. Heller, B. B. Kennedy 1907-7-11 8808 Plumas Prattville. Comment
  SJSU4159  Collinsia parviflora C. W. Sharsmith & W. Savage 1967-5-20 7532 Plumas near S base of The Buttes c. 7 mi W of Vinton, Sierra Valley 1524 Comment
  CHSC78394  Collinsia torreyi var. torreyi Vernon H. Oswald 2000-6-23 9931 Plumas La Porte Rd. 2.6 mi north of La Porte at the junction with the road to the South Fork Campgrounds at Little Grass Valley Reservoir. 1563 Comment
  JEPS127033  Collinsia torreyi var. torreyi Lowell Ahart 2016-6-2 20916 Plumas Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir Dam. Comment
  JEPS95403  Collinsia torreyi var. wrightii Lowell Ahart 1994-6-15 7326 Plumas W side of a logging road, near the int. of Lumpkin Ridge Road and the road to Tamarack Flat, 1 air mile W of Little Grass Valley Reservoir 1767 Comment
  CHSC112561  Collomia grandiflora B. Castro; L. P. Janeway 2007-6-23 1650 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.1 mi N of the mouth of McReynolds Creek at Red Clover Creek. Sagebrush meadowy flats on W side of Thompson Creek, ca 30 ft SW of the channel, 500 to 550 ft below edge of open Ponderosa-Jeffrey pine forest. 1671 Comment
  CHSC44311  Collomia grandiflora Lowell Ahart 1979-7-18 1991 Plumas Along Cleghorn Bar Road, about 2 miles west of Pilot Peak, about 15 miles north of La Porte. 1645 Comment
  JEPS111227  Collomia heterophylla Steve Matson 2005-5-28 1244 Plumas Feather River Canyon, 2 miles east of Twain, on Forest Service Rd south side of the river. 40.0185 N 121.0356 W. Elevation 3,000 ft. 914 Comment
  CDA15381  Collomia tinctoria G. F. Hrusa 1997-6-26 13898 Plumas Sierra Nevada; 2.5 mi. E of Spring Garden on Hwy 70, and 0.5 m. S of Estray Ck. Comment
  JEPS122108  Collomia tinctoria Lowell Ahart 2014-8-24 19753 Plumas Center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UC1586412  Collomia tinctoria Vernon H. Oswald and Lowell Ahart 1991-6-18 4683 Plumas Forest Road 28N38 3.4 mi nne County Road 201 (Old Haun Road) (ca 4 mi (air) n of Greenville) 1609 Comment
  CHSC33594  Comarum palustre M. S. Taylor 1981-6-15 3900 Plumas NW side of Snake Lake, ca. 4 mi ne of Meadow Valley. 1219 Comment
  SEINET7135415  Convolvulus polymorphus W. Harnach, N. Harnach 1990-6-19 407 Plumas Sierra Valley, Sugarloaf Road, at the junction of the road to Dotta neck and Sugarloaf 1676 Comment
  CHSC63304  Corallorhiza maculata Lowell Ahart 1994-6-17 7362 Plumas On the west side of Sly Creek, about 100 yards south of the locked gate, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  UC608845  Corallorhiza maculata Beryl O. Schreiber 1938-7-10 2528 Plumas 1/4 mi s U.C. Forestry Camp (near Meadow Valley); Plumas National Forest, Bidwell Bar Quadrangle 1097 Comment
  RSA104292  Corallorhiza maculata R. Weatherby 1955-7-2 1580 Plumas Wilcox Valley 1921 Comment
  SEINET10470004  Corallorhiza maculata Lowell Ahart, Peter Ahart 1984-6-21 Ahart 4719 Plumas About 1 mi N of Turkeytown, along a dirt rd that cuts W to Hopkins Creek, not the road that will take you west to Onion Valley, ca. 2 mi NW of Blue Nose Mt, ca. 15 mi NE of LaPorte; Red Fir For. 200 Comment
  JEPS95429  Cordylanthus tenuis subsp. tenuis Lowell Ahart 1994-7-28 7529 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  RSA246643  Cordylanthus tenuis subsp. tenuis Robert F. Thorne, Larry E. DeBuhr, C. W. Tilforth 1972-9-20 42353 Plumas Plumas National forest: Along Hwy. 70 two miles N of Quincy. 1098 Comment
  JEPS102246  Cordylanthus tenuis subsp. viscidus L. P. Janeway 2001-6-22 7371 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  JEPS80629  Cordylanthus tenuis subsp. viscidus M. S. Taylor 1981-7-21 4081 Plumas e and above Squirrel Creek (ne corner of jct 25N42 and 401, ca 3 air mi n of Spring Garden on Hwy 70); Spring Garden quad. 1371 Comment
  CAS-BOT-BC209427  Cornus nuttallii Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  SEINET3161702  Cornus nuttallii E. K. Balls 1950-9-5 15677 Plumas main trail Thompson Creek, off La Porte road, off Hwy 24, E of Quincy 1524 Comment
  CDA18562  Cornus sericea subsp. occidentalis G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-26 3352 Plumas Sierra Nevada; 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  POM97818  Corydalis caseana R. M. Austin 1876-07 11 Plumas Mill Creek Comment
  RSA101460  Corydalis caseana R. Weatherby 1955-7-2 1578 Plumas Creek below Bear Ridge. Near Taylor Lake. 1982 Comment
  CAS-BOT-BC401878  Corydalis caseana subsp. caseana Ella Dales Cantelow 1938-7-4 2295 Plumas Drakesbad Comment
  CHSC630  Corydalis caseana subsp. caseana R. Morford 1931-5-16 Plumas Humbug Valley. 1310 Comment
  CAS-BOT-BC401867  Corydalis caseana subsp. caseana Lloyd W. Swift 1930-8-16 36 Plumas Plumas National Forest. Emigrant Creek, Grizzly Valley 1828 Comment
  JEPS48599  Corydalis caseana subsp. caseana Esther C. Fritz 1933-7-4 Plumas in and along Schneider Creek Schneider Creek 1188 Comment
  CHSC102071  Crepis acuminata Lowell Ahart; John Dittes 2009-7-15 16098 Plumas On dry rocky soil, east of the power line, on the south side of Forest Sevice Road 26N22, about 2.3 miles (air) southeast of Butt Valley Reservoir Dam. 1517 Comment
  JEPS36483  Crepis acuminata W. L. Jepson 1918-8-16 8007 Plumas Engels Lights Creek Comment
Read comments
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  UC567038  Crepis acuminata E. Sawyer 1935-7-1 270 Plumas 0.6 mi ne Chases; Downieville Quadrangle 1706 Comment
  UC345556  Crepis intermedia E. B. Babcock 1928-6-15 160 Plumas near hwy about 200 yd above Spring Garden P.O. Comment
  UC346535  Crepis intermedia E. B. Babcock and M. Navashin 1928-6-23 181 Plumas about 2 or 3 mi e Meadow Valley (along hwy to Quincy) Comment
  UC346557  Crepis intermedia E. B. Babcock 1928-6-15 160 Plumas nr. hwy about 200 yd above Spring Garden P.O. Comment
  RSA39747  Crepis modocensis subsp. subacaulis P. A. Munz 1947-5-17 11844 Plumas Meadow 16 miles N of Chilcoot 1707 Comment
  CAS-BOT-BC376545  Crepis monticola Mrs. E. C. Van Dyke 1931-6-13 s.n. Plumas Kelly Camp, Mt. Lassen Nat'l. Park Comment
  RSA88087  Crepis occidentalis subsp. conjuncta J. T. Howell 1951-6-27 27633 Plumas Jamison Creek 1829 Comment
  CAS-BOT-BC290786  Crepis occidentalis subsp. occidentalis Elizabeth McClintock; Wayne Roderick 1968-5-19 s.n. Plumas East of Beckwourth 1524 Comment
  CAS-BOT-BC290853  Crepis pleurocarpa Anna Head 1921-8-18 s.n. Plumas Near Grassy Lake, Feather River Region Comment
  CHSC69202  Crepis pleurocarpa James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2555 Plumas Rich Gulch Rd. 3.0 mi N of Hwy. 70 on slope W of and adjacent to road (26N22) S of Red Mtn. turnoff. Comment
  CAS-BOT-BC189304  Cryptantha Clare B. Hardham 1978-8-11 21782 Plumas About 5 miles SE of Thompson Peak Comment
  CAS-BOT-BC189307  Cryptantha Clare B. Hardham 1975-8-2 20482 Plumas Black Mountain 2133 Comment
  CAS-BOT-BC189310  Cryptantha John Thomas Howell 1977-8-11 s.n. Plumas Little Last Chance Creek canyon, N of Chilcoot 1676 Comment
  SEINET8518893  Cryptantha affinis A. A. Heller, P. B. Kennedy 1907-7-4 8729 Plumas Meadow two miles S of Red Clover Valley. Comment
  UC1084550  Cryptantha affinis Rimo Bacigalupi with Howard Whisler 1957-7-25 6033 Plumas 1 mi w Deadwood (Bucks Summit) (and about 1.75 mi e of w end of Bucks Lake, watershed of Bucks Creek); Bucks Creek 1645 Comment
  RSA95526  Cryptantha simulans J. T. Howell 1951-6-27 27572 Plumas Johnsville; Sierra Nevada 1585 Comment
  CDA32015  Cryptantha torreyana L. Ahart, J. Dittes, J. Guardino 2009-7-29 16223 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CHSC102750  Cryptantha torreyana Lowell Ahart; John Dittes, Josephine Guardino 2009-7-22 16149 Plumas On the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam. 1606 Comment
  SBBG122934  Cryptantha torreyana B. Ertter 1988-7-25 7846 Plumas Snoring Springs, 0.5 mi N of Diamon Mtn-Greenville-Red Rock jct; Diamond Mtns 1981 Comment
  UC1950152  Cryptantha torreyana Barbara Ertter 1988-7-25 7846 Plumas Diamond Mts ca 12 airmiles SSW of Susanville, Snoring Springs 1/2 mi N of Diamond Mt-Greenville-Red Rock jct Comment
  CHSC23570  Cryptantha watsonii K. Stern 1975-7-23 Plumas W side of Lake Almanor. Comment
  CHSC80792  Cryptogramma acrostichoides Lowell Ahart; Vernon H. Oswald 2001-7-11 8894 Plumas Large outcrop southwest of Homer Lake, west of the trail to Homer Lake, about 5 1/2 miles (air) north of Greenville. 2042 Comment
  JEPS107685  Cryptogramma acrostichoides Lowell Ahart, John Dittes 2005-9-19 12373 Plumas Large rock outcrop, on the south side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  RSA59149  Cryptogramma acrostichoides E. K. Balls 1950-9-1 15610 Plumas East of Long Lake in meadow sloping down to two smaller lakes. 2134 Comment
  UC1874975  Cryptogramma acrostichoides Ruth Kirkpatrick 2001-7-18 1072 Plumas Eureka Peak 2011 Comment
  CAS-BOT-BC80527  Cupressus bakeri C. R. Quick; H. F. Wilcox 1962-10-1 62 -1 Plumas 1-1/2 miles west of Wheeler Peak 1996 Comment
  CHSC33924  Cupressus bakeri M. S. Taylor 1981-8-13 4175 Plumas N and NE side of w flank of Wheeler Peak ridge, ca. 5 air mi n of Genesee. 1981 Comment
  POM313439  Cupressus bakeri C. R. Quick, F. Wilcox 1962-10-1 62 -1 Plumas 1.5 miles W of Wheeler Peak., an extension of known range 1997 Comment
  CHSC21588  Cuscuta californica L. M. Mayer; D. E. Brink Jr. 1975-8-8 Plumas Bucks Lake. Comment
  RSA795636  Cuscuta californica var. breviflora L. Ahart 2011-9-20 17679 Plumas Along the poor dirt road on the north side of Pilot Peak, about 9 air miles northeast of La Porte. 2073 Comment
  CHSC57278  Cuscuta californica var. californica L. P. Janeway 1984-9-1 1129 Plumas Lakes Basin Recreation Area. Slope above Mud Lake. 2072 Comment
  CHSC63457  Cuscuta californica var. californica Lowell Ahart 1994-7-22 7506 Plumas Southside of the Pacific Crest Trail, north of Mount Etna. 1981 Comment
  UCD126350  Cuscuta subinclusa James I. Mallory 1967-8-15 277 Plumas Gibsonville Ridge; Plumas National Forest. 1798 Comment
  CHSC70777  Cymopterus terebinthinus var. californicus B. Castro 1995-7-10 581 A Plumas Ca 1 air mi N of Middle Fork Feather River, ca 1/2 mi W of Little Marble Cone, W of S end of 'B' spur off USFS Rd 22N29, W of old Kellogg fire lookout. 1463 Comment
  CHSC21114  Cynoglossum occidentale F. T. Griggs; A. Pass 1975-7-1 21 Plumas Buck's Lake. East of Grizzly Creek. Comment
  SD6709  Cynoglossum occidentale Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CHSC59832  Cyperus squarrosus L. P. Janeway 1992-9-10 4306 Plumas Plumas National Forest. Sandy edge of Middle Fork Feather River 1.5 mi west of Beckwourth. 1481 Comment
  RSA139107  Cypripedium californicum Lee W. Lenz 1958-6-19 23529 Plumas North Fork, Feather River above Beldon 610 Comment
  RSA508639  Cypripedium californicum Mrs. R. M. Austin 1880-7-21 s.n. Plumas Mount Dyer 1829 Comment
  SD7401  Cypripedium californicum Mrs. R. M. Austin 1879-1 Plumas Big Meadows. Comment
  SEINET10470086  Cypripedium fasciculatum Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4020 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  CAS-BOT-BC186620  Danthonia californica Marcus E. Jones 1897-7-3 s.n. Plumas Prattville 1371 Comment
  RSA699248  Danthonia californica var. californica L. Ahart, John Dittes, Josephine Guardino 2004-6-6 11006 Plumas near a very small flat drainage, on the east side of the logging road, about 3 miles (air) south of Lower Taylor Rock, about 7 miles (air) northeast of Quincy. 1345 Comment
  UCD61323  Danthonia unispicata P. B. Kennedy; A. A. Heller 1907-7-3 8705 Plumas Hills above Red Clover Valley. Comment
  CAS-BOT-BC76206  Darlingtonia californica Walter Knight; Irja Knight 1966-6-19 1320 Plumas Butterfly Valley. 1158 Comment
  HSC20169  Darlingtonia californica L. S. Rose 1968-6-11 68105 Plumas Butterfly Valley, 4 mi. S of Keddie. 1037 Comment
  RSA468320  Darmera peltata Christopher Davidson 1975-6-7 2743 Plumas Ca 3 mile E of Quincy on Hwy 70-89. Greenhorn Creek. 1120 Comment
  CAS-BOT-BC8923  Delphinium depauperatum Lewis Samuel Rose 1963-6-3 63103 Plumas Butterfly Valley, 2 mi. SW of Keddie 1066 Comment
  CAS-BOT-BC8782  Delphinium gracilentum E. K. Balls; L. W. Lenz 1955-5-13 20702 Plumas Above Camp Rogers along trail to Bucks Lake 655 Comment
  CHSC61237  Delphinium nudicaule K. B. McShea 1992-4-20 15 Plumas CA 2 mi s of Jct of Hwy 89 and Hwy 70, 1.5 mi e on Soda Creek, 13.5 mi se of Quincy. 792 Comment
  SBBG18111  Delphinium nudicaule C. B. Hardham 1961-6-16 7458 Plumas Diamond Peak [Diamond Mountain] Comment
  UC118647  Delphinium nudicaule Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  SEINET12092486  Delphinium nudicaule Austui n d s.n. Plumas no further locality Comment
  SEINET8663390  Delphinium nudicaule C. Tanner 1999-5-7 s.n. Plumas Along "Powerline Road," between C. Roy Carmichael School and unincorporated town of Delleker. 1490 Comment
  CHSC21345  Delphinium nuttallianum F. T. Griggs; A. Pass 1975-7-7 88 Plumas Gold and Silver Lakes. Comment
  RSA232646  Delphinium nuttallianum Larry E. DeBuhr, Gary D. Wallace 1972-5-21 588 Plumas Plumas National Forest, Butterfly Valley, 1 mile SW of Keddie, along forest road 25N12 at jct with Blackhawk Creek. Comment
  UC1126051  Delphinium nuttallianum D. Axelrod 1934-6-9 25 Plumas 2 1/4 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC1126058  Delphinium nuttallianum E. Sawyer 1935-6-13 101 Plumas 3 mi n Hawks; Plumas National Forest, Sierraville Quadrangle Comment
  CDA18596  Delphinium nuttallianum G. D. Barbe, T. C. Fuller & J. T. Howell 1981-6-24 3259 Plumas Sierra Nevada; 1.4 miles below (southeast of ) Mt. Hough summit on Mt. Hough-Crystal Lake Road. 1950 Comment
  RSA0037158  Delphinium nuttallianum G. D. Barbe, T. C. Fuller, John Thomas Howell 1981-6-26 3361 Plumas 0.3 mile southwest of Buck Summit, meadow southeast of the road formed by Bucks Creek. 1645 Comment
  RSA641883  Delphinium nuttallianum Michael A. Vincent 1999-6-7 8524 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  CAS-BOT-BC192432  Deschampsia cespitosa subsp. cespitosa K. Groneck 1976-7-1 s.n. Plumas Sierra Valley near Marble Hot Springs 1524 Comment
  CHSC75948  Deschampsia cespitosa subsp. cespitosa G. F. Hrusa 1996-8-2 13441 Plumas Sierra Nevada. Slope at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Springline forming trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1850 Comment
  CHSC96058  Deschampsia cespitosa subsp. cespitosa L. P. Janeway; B. Castro 2006-9-9 8881 Plumas High Cascade Range. West shore of Jedidian Colter Lake (between Blue Lake and North Arm Rice Creek). 1981 Comment
  UC1024668  Deschampsia cespitosa subsp. cespitosa Leo Whitney 1934-8-10 2181 Plumas ca. 9 mi. n.w. Portola (Freeman Creek, n.w. end of Big Grizzley Valley, Plumas Nat'l Forest); Plumas Nat'l Forest, Big Grizzley Valley, Freeman Creek 1828 Comment
  CHSC97619  Deschampsia danthonioides Lowell Ahart; John Dittes 2007-6-17 14179 Plumas On damp sand, along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Gensee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  SD34473  Deschampsia danthonioides A. A. Beetle 1941-6-28 2767 Plumas West side of Lake Almanor; in mountain meadow in open pine forest 1829 Comment
  CHSC24244  Deschampsia elongata K. R. Stern 1975-7-25 Plumas S end of Lake Almanor. Comment
  CHSC79878  Deschampsia elongata G. F. Hrusa; B. Smith 1996-7-15 13222 Plumas Northern California, Sierra Nevada, Plumas National Forest. E side of Sloat Rd. at inter. of Hwy 70 and Sloat Rd. approx. 3 m. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  UCD63417  Deschampsia elongata A. A. Heller 1915-7-7 12068 Plumas Near the summit of Soapstone ridge in the Sierra Nevada, 12 miles west of Bucks. 1676 Comment
  CHSC41380  Descurainia incana Lowell Ahart 1986-7-1 5331 Plumas On a gravel bar along Bunker Hill Creek, at the Bunker Hill Mine, about 11 miles north-east of La Porte. 1889 Comment
  JEPS107631  Descurainia incisa subsp. filipes Lowell Ahart, Josephine Guardino 2005-8-9 12280 Plumas Northeast of the cabin (destroyed) and corral, on the south side of Fant Creek, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  CHSC43304  Dicentra formosa Lowell Ahart 1976-7-7 1163 Plumas Along Cold Water Creek, about 1/10 mile south-west of Arkansas Ravine, about 4 miles south of Grizzly Mountain. 1524 Comment
  LA47693  Dicentra formosa C. W. Hollis; 1928-6-30 sn Plumas Mt. Lassen National Forest, Drakesbad Comment
  CAS-BOT-BC402456  Dicentra formosa subsp. formosa Marcus E. Jones 1897-7-6 s.n. Plumas Prattville, 13 miles west 1371 Comment
  JEPS87767  Dicentra pauciflora Lowell Ahart 1994-6-12 7318 Plumas about 1.25 air mi s Bucks Lake (near Cedar Flat, on w side of Faggs Mine Road, sw of a small branch of Willow Creek) 1706 Comment
  CHSC48442  Dicentra uniflora Vernon Oswald 1985-6-9 1817 Plumas Pacific Crest Trail ca. 1000 ft w of Humboldt Rd. at Humboldt Summit. 1999 Comment
  CHSC65104  Dicentra uniflora Vernon H. Oswald; Lowell Ahart 1995-7-24 7109 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw. to Beauty Lake. Cascade Range. 1950 Comment
  SEINET8476711  Dichelostemma congestum A. A. Heller, B. B. Kennedy 1907-7-8 8768 Plumas Near Greenville. Comment
  RSA32770  Dichelostemma multiflorum A. A. Heller 1938-6-14 15159 Plumas Near Gray s Flat along the Feather River Highway. 869 Comment
  UC354486  Dichelostemma multiflorum David D. Keck 1928-6-15 440 Plumas 1.5 mi w Blairsden (on the Blairsden-Quincy highway) 1371 Comment
  UCD139255  Dichelostemma multiflorum E. W. Jameson 1949-6-12 s.n. Plumas 6 miles north of Keddie. 1371 Comment
  CHSC65624  Dieteria canescens var. canescens L. P. Janeway 1995-9-8 4918 Plumas East side of Lake Davis about 0.8 mi north-northeast of the dam. Along Road 24N73Y (which starts opposite Grizzly Flat Boat Ramp) 0.5 mi east of the county road (Road 112). On road shoulder. 1844 Comment
  CHSC97063  Dieteria canescens var. canescens Lowell Ahart; Josephine Guardino 2007-7-21 14379 Plumas Around pine trees, about 100 yards northeast of the bridge, about 80 yards east of the intersection, on the north side of the Beckwourth Taylorsville Road, about 2 1/2 miles (air) northwest of the most northwest part of Lake Davis. 1793 Comment
  SJSU13906  Dieteria canescens var. canescens N. A. Hopkins 1986-6-24 1371 Plumas lower end of Red Clover Valley, 8 miles N of Beckwourth on Beckwourth-Genesee Road 1524 Comment
  UC569697  Dieteria canescens var. canescens C. W. Hanks 1934-8-30 61 Plumas 0.75 mi s Bald Peak; Sierraville Quad. 1676 Comment
  UC774939  Dieteria canescens var. shastensis Carl B. Wolf 1937-9-5 9291 Plumas Lake Almanor to Westwood (at Lassen Co. Line, Prop. No. 3053); Northern Sierra Nevada, Lake Almanor to Westwood at Lassen C 1463 Comment
  CAS-BOT-BC150481  Diplacus grandiflorus Anna Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  CAS-BOT-BC150485  Diplacus grandiflorus Saichi Kawahara 1968-5-5 414 Plumas Highway 70, Feather River Canyon, opposite de Sabla PG&E station Comment
  SEINET8733129 Image available Diplacus grandiflorus Helen K. Sharsmith 1955-1 4525 Plumas East Branch of North Fork of Feather River, near Pulga. Altitude ca. 2000 feet. 610 Comment
  CAS-BOT-BC151815  Diplacus mephiticus Lewis S. Rose 1939-6-8 39256 Plumas N. Fork of Feather river, 11 mi. sw. of Belden 609 Comment
  CAS-BOT-BC151821  Diplacus mephiticus Catherine Best 1979-6-14 s.n. Plumas Eureka Park, 1 mile east of river on main road - Sierra Nevada Comment
  CAS-BOT-BC151825  Diplacus mephiticus Clare B. Hardham 1970-8-9 17704 D Plumas Thompson Peak, ca. 23 miles northeast of Greenville 2346 Comment
  CHSC42036  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 a Plumas Along the edge of a side road, north of Cleghorn Bar Road, about 1 and 3/4 miles north-west of Finger Board, about 4 1/4 miles north-west of Pilot Peak. 1828 Comment
  CHSC42037  Diplacus mephiticus Lowell Ahart 1986-7-25 5379 Plumas Along the edge of a side road, north of Cleghorn Bar Road, about 1 and 3/4 miles north-west of Finger Board, about 4 1/4 miles north-west of Pilot Peak. 1828 Comment
  CHSC53174  Diplacus mephiticus L. P. Janeway 1989-4-9 3276 Plumas Forest along southwest side of Red Clover Valley. Plumas National Forest. 1691 Comment
  CHSC53707  Diplacus mephiticus L. P. Janeway 1989-7-13 3486 Plumas Forest along SW side of Red Clover Valley; ca 1/4 mi SW of Beckwourth-Genesee Rd (rd III) 11.3 mi from Beckwourth. Plumas National Forest. 1699 Comment
  CHSC97511  Diplacus mephiticus Lowell Ahart; John Dittes 2007-6-16 14140 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CAS-BOT-BC208629  Distichlis spicata Fred Sommers; Greg Sommers 1976-6-24 137 Plumas Sierra Valley Marsh, Marble Hot Springs - Sierra Nevada 1487 Comment
  CHSC60554  Dodecatheon alpinum L. P. Janeway 1992-5-14 4177 Plumas Plumas National Forest Beckwourth Ranger District Westside Compartment. North side of Big Grizzly Creek at northwest end of Lake Davis. Large grassy/sedgy meadow. 1764 Comment
  CHSC117351  Downingia bacigalupii B. Castro; Mike Berry 2016-6-28 2142 Plumas High Cascade Range. Off W shore of Lake Almanor, on W side of Hwy 89 ca 5.5 mi S of its jcn with hwy 36 and ca 0.75 mi W of town of almanor. Ca 300 ft W of Hwy 89 on S side of entrance rd to rest stop. 1399 Comment
  CHSC20832  Downingia bacigalupii K. R. Stern 1975-7-23 5819 Plumas NW shore of Lake Almanor. 1371 Comment
  RSA52924  Downingia bacigalupii R. Weatherby 1950-7-28 1488 Plumas Indian Creek Canyon N of Taylorsville. 1067 Comment
  UC1037285  Downingia bacigalupii Leo Whitney 1934-8-10 1706 Plumas ca 10 mi n Beckwith; Dixie Valley 1828 Comment
  UC1244004  Downingia bicornuta var. bicornuta John H. Weiler, L. Constance, and E. Molseed 1960-6-12 60153 Plumas 2.5 mi nw Lake Almanor Public Camp (beside State Highway 89) Comment
  UC397356  Draba verna Mrs. Jos. Clemens 1920-2-25 7000 Plumas Crescent Mills Comment
  CAS-BOT-BC41397  Draba verna M. S. Taylor 1982-5-7 4415 Plumas Ramelli Ranch, near Feather Rivers south side, ca. 0.25 mile east of Calpine Road (109). 1487 Comment
  UCR115325  Draperia systyla G. D. Barbe, T. C. Fuller 1982-7-15 3745 Plumas Sierra Nevada Mtns, Plumas National Forest. 3.4 mi NE of jct with road to Red Hill 1524 Comment
  UC1586461  Drosera X obovata Vernon H. Oswald and Lowell Ahart 1991-7-30 4792 Plumas ca 6 air mi ene Humbug Summit (ca 12 air mi s of Chester, w side of valley, fenced enclosure at the springs); Humbug Valley, Big Springs 1310 Comment
  CHSC44252  Drosera anglica Vernon Oswald 1988-7-19 3606 Plumas Willow Lake located se of Drakesbad just s of the ... Field redacted by CHSC, contact the data manager for more information 1676 Comment
  UCD99505  Drosera anglica Barry Meyers-Rice 1999-8-7 MR 990801 Plumas at Willow Lake. Comment
  CHSC92964  Drosera rotundifolia L. P. Janeway; B. Castro 2005-9-11 8544 Plumas Northern High Sierra Nevada. Middle of the fen ab ... Field redacted by CHSC, contact the data manager for more information 1893 Comment
  UC367085  Drosera rotundifolia J. G. Lemmon and wife June 1875 Plumas Butterfly Val. Comment
  CAS-BOT-BC159584  Drymocallis glandulosa var. glandulosa E. K. Balls 1950-9-1 15605 Plumas East of Long Lake, upper slopes of meadow leading to two smaller lakes 2133 Comment
  CAS-BOT-BC159587  Drymocallis glandulosa var. glandulosa Lowell Ahart 1986-7-8 5350 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte 1981 Comment
  UC567235  Drymocallis glandulosa var. glandulosa D. Axelrod 1934-6-8 14 Plumas La Porte Downieville Quad., La Porte 1524 Comment
  CAS-BOT-BC535002  Drymocallis glandulosa var. reflexa Walter Knight; Irja Knight; John Thomas Howell 1966-7-26 1618 Plumas Butterfly Botanical Area and Vicinity, roadside at Fern Glen 1097 Comment
  CHSC51512  Dulichium arundinaceum W. D. Dakan 1979-9-24 Plumas Plumas N.F. Camp Elwell. 1950 Comment
  JEPS87168  Dulichium arundinaceum Vernon H. Oswald, Lowell Ahart, Linnea Hanson, Lawrence Janeway and Joan Reynolds 1992-7-1 5037 Plumas 5 air mi ssw of Graeagle ((via Gold Lake Forest Hwy, County Rd 519, just w of Lakes Basin Campground, Grass Lake); Grass Lake 1926 Comment
  UC1564757  Dulichium arundinaceum V. Oswald, L. Ahart and L. Hanson 1989-7-31 3901 Plumas 6.5 air mi n of La Porte (0.5 air mi w of Fowler Peak, at headwaters of Fowler (Slate) Creek); Fowler Creek 1670 Comment
  CHSC20780  Dysphania pumilio K. R. Stern 1975-7-24 5835 Plumas S shore of Lake Almanor. 1371 Comment
  UCR3557  Eburophyton austiniae Wm. Horn Jr. 1963-7-14 630714- 8 Plumas Northern Sierra Nevada Mtns, Meadow Valley, 120-130 yards south of Bucks Lake Road, 1 mi west of Meadow Valley Store at edge of clearing 1159 Comment
  CHSC81115  Elatine chilensis Lowell Ahart 2001-8-29 9232 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET10938700  Eleocharis acicularis Lowell Ahart 1985-7-11 Ahart 5125 Plumas Below the high water line of Little Grass Valley Reservoir, where the South Fork of the Feather River flows into the lake, about 4 1/4 miles north-east of La Porte. Comment
  SEINET11750455  Eleocharis acicularis L. Ahart, Ahart, P. 1985-1 5185 Plumas Little Grass Valley Reservoir, where South Fork Feather River flows in lake ca 4.25 mi NE of LaPorte 1585 Comment
  JEPS115895  Eleocharis acicularis var. bella Lowell Ahart, John Dittes, Josephine Guardino 2009-7-22 16153 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 miles (air) west-southwest of Greenville, about 5.2 miles (air) southeast of Lake Almanor Dam 1606 Comment
  CHSC81636  Eleocharis acicularis var. occidentalis Lowell Ahart 2001-10-8 9322 Plumas Below the high water line of Antelope Lake, at the day camp that is north of Dedication Island, Antelope Lake, about 24 miles (air) northeast of Quincy. 1522 Comment
  CHSC94659  Eleocharis bella Lowell Ahart 2006-10-8 13419 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS102720  Eleocharis bella Lowell Ahart 2001-10-8 9325 Plumas In shallow water of an unnamed stream, east of Lost Cove, below the high water line of Antelope Lake, NE side of Antelope Lake, about 24 miles (air) NE of Quincy. 1522 Comment
  CAS-BOT-BC113459  Eleocharis bella Clarence Roy Quick 1945-7-25 45 -70 Plumas Bud Creek on rd toward Humbug Valley. Comment
  UCD49584  Eleocharis bella S. Galen Smith; Malcolm A. Nobs 1949-8-18 1357 b Plumas Drying mud flats at the south end of Lake Almano. Comment
  CAS-BOT-BC113385  Eleocharis engelmannii Thomas H. Kearney 1944-8-14 18 Plumas Near Prattville, Lake Almanor Comment
  CHSC32854  Eleocharis engelmannii L. Ahart 1980-10-6 2677 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  CAS-BOT-BC113381  Eleocharis engelmannii Robert J. Weatherby 1950-7-28 1490 Plumas North edge of Taylorsville 1066 Comment
  CHSC32863  Eleocharis macrostachya L. Ahart 1980-10-6 2680 Plumas On the floor of a hydraulic mine, ca. 1 mi s of La Porte. 1600 Comment
  JEPS113650  Eleocharis macrostachya Lowell Ahart, Josephine Guardino 2007-7-21 14385 Plumas Bottom of a small stream, about 80 yards south of the Beckwourth Taylorsville Road, south of the intersection with Forest Road 25N41Y, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1799 Comment
  JEPS28327  Eleocharis palustris George W. Gillett 1957-7-18 827 Plumas Willow Lake, N shore Lassen Volcanic National Park 1661 Comment
  JEPS102457  Eleocharis quinqueflora Lowell Ahart and Vernon H. Oswald 2001-7-11 8889 Plumas Meadow, on the east side of the dirt road, about 1/4 mile NW of Hauns Meadow and Hauns Creek, about 3 miles (air) east of Lake Almanor, about 5 miles (air) NW of Greenville. 1447 Comment
  JEPS107595  Eleocharis quinqueflora Lowell Ahart, Josephine Guardino 2005-8-10 12322 A Plumas a small branch of Lights Creek, E side of Forest Road 27N54, about 5 1/2 mi (air) NW of the Boulder Creek Work Center at Antelope Lake 1821 Comment
  SEINET10912968 Image available Eleocharis torticulmis Lawrence P. Janeway, B. Castro 2000-7-3 Janeway 6874 Plumas Northern High Sierra Nevada. Butterfly Valley Botanical Area: Sweetwater Meadow. Gently sloping Darlingtonia fen. 1177 Comment
  SEINET4889477  Elodea canadensis W. Harnach, N. Harnach 2000-8-2 966 Plumas Sierra Valley, 1.5 miles south of Hwy 70 on A-23, .25 miles east of A-23, south of Beckwourth (Sierra Valley Farms) 1487 Comment
  RSA550619  Elodea nuttallii G. Sommers 1976-6-29 135 Plumas Sierra Valley Marsh, from channel crossed by metal bridge on Dyson Lane. 1524 Comment
  UC1132956  Elymus X hansenii A. Hormay 1932-6-11 24 Plumas 10 mi se Quincy; Downieville Quadrangle Comment
  UCR17479  Elymus elymoides Frank C. Vasek 1975-7-10 750710- 27 Plumas Chilcoot Campground, south of Frenchman Lake 1555 Comment
  JEPS76228  Elymus elymoides subsp. elymoides W. L. Jepson 1939-8-12 19389 Plumas Ferris Creek; branch of Last Chance Creek 1767 Comment
  UC1024734  Elymus elymoides subsp. elymoides Leo Whitney 1934-8-12 3047 Plumas The Cate Place Plumas National Forest, Big Grizzley Valley (ca 10 mi w of Portola) 1828 Comment
  POM365354  Elymus glaucus L. S. Rose 1968-6-10 68089 Plumas Quincy 1037 Comment
  CHSC97222  Elymus glaucus subsp. glaucus Lowell Ahart; Josephine Guardino 2007-7-20 14321 Plumas South of a small drainage, northeast of a large meadow, east of Lightning Tree Campground, east of the paved road, east side of Lake Davis. 1789 Comment
  JEPS76221  Elymus glaucus subsp. glaucus W. L. Jepson 1939-7-31 19305 Plumas canyon bottom halfway between Meadow Valley and Bucks Valley 1676 Comment
  UCD62423  Elymus multisetus G. L. Stebbins Jr. 1939-7-6 2902 Plumas 1.7 miles east of Meadow Valley on road to Quincy. 1097 Comment
  CHSC89306  Elymus trachycaulus G. F. Hrusa; P. Kerr, S. Winterton 2004-6-25 16328 Plumas Northern Sierra Nevada. Willow Creek Rd., 1.6 mi. NW of Hwy 70 and 2.6 mi. W on 70 from town of Portola. On roadside. 1554 Comment
  CAS-BOT-BC204408  Elymus trachycaulus subsp. trachycaulus John Thomas Howell; Gordon H. True 1968-6-10 44549 Plumas Quincy 1036 Comment
  CHSC97220  Elytrigia elongata Lowell Ahart; Josephine Guardino 2007-7-20 14312 Plumas South of a small drainage, northeast edge of a large meadow, south of Lightning Tree Campground, west of the paved road, east side of Lake Davis. 1789 Comment
  CHSC94944  Elytrigia intermedia subsp. intermedia Samantha Mackey Hillaire 2006-9-13 1231 Plumas Sierra Nevada. North of Grizzly Forebay, north side of road 24N49, west of PG and E's Grizzly Powerhouse. 1341 Comment
  UCD32546  Ephedra viridis Beecher Crampton 1954-5-11 1882 Plumas Lassan County Border, Beckwourth Pass, along highway 24. 1588 Comment
  CHSC33731  Epilobium brachycarpum M. S. Taylor 1981-7-13 3994 Plumas Frenchman Lake Canyon, 0.5 mi s of the dam, ca. 11 mi n of Chilcoot on Hwy 70. 1706 Comment
  CHSC79782  Epilobium brachycarpum G. F. Hrusa; T. D. Wilfred 1996-8-1 13415 Plumas ~ 1/4 mi. S of intersection of USFS 24N42 and 24N66, approx. 1 mi. S of Brady's Camp, Plumas National Forest. [Original lat./long. on label is '39 55 N; 120 44 W']. 1800 Comment
  JEPS43850  Epilobium brachycarpum W. L. Jepson 1939-8-12 19400 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  RSA59426  Epilobium brachycarpum E. K. Balls 1950-9-15 15856 Plumas South tip Lake Almanor, near P. G. E. dam, Highway 89. 1372 Comment
  CAS-BOT-BC171716  Epilobium canum subsp. latifolium Mrs. H. C. Cantelow 1940-10-4 4025 Plumas Feather River Canyon Comment
  CHSC107918  Epilobium canum subsp. latifolium L. P. Janeway 2011-9-11 10723 Plumas Northern High Sierra Nevada. Between Road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. On and next to blocky talus slope along the sides of south-facing basalt outcrop. 1570 Comment
  CHSC19717  Epilobium canum subsp. latifolium Lowell Ahart 1974-8-15 Plumas Found along road. Ca. 1/2 mi N of Nelson Creek in Section 36 near Zumwalt Flat. Ca. 11 mi s of Sloat. 1676 Comment
  JEPS44028  Epilobium canum subsp. latifolium W. L. Jepson 1924-7-22 10607 Plumas Rich Pt. Middle Fork Feather River 914 Comment
  JEPS44030  Epilobium canum subsp. latifolium W. L. Jepson 1918-8-16 8019 Plumas Genesee Valley 1097 Comment
  UC683243  Epilobium canum subsp. latifolium V. A. Winter 1935-7-30 26 Plumas 0.4 mi s Johnsville (on road to McCrae Ridge) 1706 Comment
  UC874258  Epilobium canum subsp. latifolium Lewis S. Rose 1932-9-6 32630 Plumas meadow Wade Lake 1981 Comment
  CHSC102046  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2009-7-27 16180 Plumas On damp to dry soil, bottom and sides of a small pond, headwaters of Grizzly Gulch, 2.1 miles (air) northeast of Butt Valley Reservoir Dam. 1479 Comment
  CHSC84220  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2003-7-18 10429 Plumas In a meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1709 Comment
  SD130487  Epilobium ciliatum subsp. ciliatum John Thomas Howell 1976-7-15 51859 Plumas Snake Lake, ca. 4.0 miles northwest of Quincy. 1219 Comment
  CHSC97094  Epilobium ciliatum subsp. glandulosum Lowell Ahart; Josephine Guardino 2007-7-20 14345 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1763 Comment
  JEPS87890  Epilobium ciliatum subsp. glandulosum Lowell Ahart 1994-7-28 7535 Plumas ne of Frenchman Hill (sw of Bucks Lake) 1706 Comment
  RSA718938  Epilobium ciliatum subsp. glandulosum L. Ahart 2006-10-8 13396 Plumas West side of Chips Creek, just south of the bridge on Highway 70, about 1.25 miles southwest of Belden. 715 Comment
  JEPS38224  Epilobium densiflorum W. L. Jepson 1939-8-12 19395 Plumas branch of Last Chance Creek Ferris Creek 1767 Comment
  JEPS43852  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1939-7-31 19301 Plumas canyon halfway between Meadow Valley and Buck's Valley; Spanish Peak Comment
  JEPS78686  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1939-7-31 19301 Plumas canyon halfway between Meadow Valley and Buck's Valley; Spanish Peak Comment
  CHSC56860  Epilobium hallianum L. P. Janeway 1991-8-3 4116 Plumas Plumas National Forest. Northeasterly drainage into Freeman Creek, below 'Five Points' and 2 mi west of Smith Peak. Meadow edge. 1981 Comment
  JEPS87819  Epilobium hornemannii subsp. hornemannii Lowell Ahart 1994-7-22 7505 Plumas about 0.5 mi e Mount Etna (on s side of Pacific Crest Trail); Sierra Nevada, Mount Etna 1981 Comment
  SEINET10839602  Epipactis gigantea Mary Susan Taylor 1982-8-4 Taylor 4918 Plumas T25N R10E nw/se sec 23. Greenville SE quad. ALong spring on n side of Soloman Saddle Rd, ca. 1 mi nw of Taylor Rock, ca. 7 air mi ne of Quincy. 6200 ft. 1890 Comment
  CAS-BOT-BC57897  Equisetum X ferrissii John Thomas Howell; Gordon H. True 1967-7-9 43250 Plumas North Fork of Feather River 3 mi. sw. of Caribou. 853 Comment
  SEINET10555790  Eragrostis pilosa John Thomas Howell 1955-7-19 Howell 30734 Plumas Portola. 1478 Comment
  SEINET5336677  Eremogone aculeata A. A. Heller, P. B. Kennedy 1907-7-3 8703 Plumas Hills above Red Clover Valley. Comment
  CHSC91478  Eremogone cliftonii L. P. Janeway; Linnea Hanson 2005-6-29 8445 Plumas Northern High Sierra Nevada. Plumas National Forest; north side of Hwy 70 and North Fork Feather River, 0.5 km east of Chambers Creek, at borrow pit site. 622 Comment
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  CHSC92523  Eremogone cliftonii Samantha Mackey Hillaire; Matt Brown 2005-6-20 1226 Plumas Near Lower Buck's Lake. On flat area above rd 24N36. UTM 10 S 0646885, 4417733. 1524 Comment
  SEINET8361345  Eremogone cliftonii A. A. Heller 1915-7-7 12071 Plumas near the summit of Soapstone ridge in the Sierra Nevada; 12 miles west of Bucks. 1676 Comment
  CAS-BOT-BC174299  Eremogone congesta var. suffrutescens H. M. Hall; E. B. Babcock 1903-7-1 4447 Plumas Red Clover Creek 1524 Comment
  CAS-BOT-BC174363  Eremogone kingii var. glabrescens George W. Gillett 1957-7-13 765 Plumas Below Sifford Lakes, on direct route to the Devils Kitchen. Lassen Volcanic National Park 2057 Comment
  SEINET14608259  Eriastrum signatum W. Harnach, N. Harnach 2003-6-7 1144 Plumas Sierra Valley, ca 2 miles NNE of Chilcoot. 1631 Comment
  CAS-BOT-BC187913  Eriastrum wilcoxii W. Harnach; N. Harnach 1990-6-16 389 Plumas Frank Dotta Ranch, Sierra Valley 1524 Comment
  CAS-BOT-BC286647  Ericameria bloomeri John Thomas Howell; Gordon H. True 1959-9-24 34956 Plumas Near Cromberg 1249 Comment
  CAS-BOT-BC286654  Ericameria bloomeri Carl B. Wolf 1937-9-5 9292 Plumas Northern Sierra Nevada, Lake Almanor to Westwood at Lassen Co. Line 1463 Comment
  CAS-BOT-BC286657  Ericameria bloomeri Milo S. Baker 1926-9-2 336 c-'26 Plumas Lee's Camp Comment
  CHSC100038  Ericameria bloomeri Lowell Ahart 2008-8-14 15199 Plumas 20 yards northwest of the metal gate, west side of Forest road 22N68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  UCD131330  Ericameria bloomeri Tracy I. Storer 1932-7-24 s.n. Plumas 3 miles west of Chester. 1341 Comment
  UC1777684  Ericameria linearifolia June McCaskill 1956-1 422 Plumas Lake Almanor region? Comment
  HSC93436  Ericameria nauseosa var. oreophila Vernon H. Oswald, L. Ahart 1996-8-14 8157 Plumas Road paralleling Spanish Creek near Greens Flat ca. 2 mi. (air) NW of Meadow Valley ( on the Oroville-Quincy Hwy.) 1128 Comment
  JEPS95053  Ericameria nauseosa var. oreophila Lowell Ahart 1997-9-11 7903 Plumas about 1/2 mi s of Mosquito Creek (about 4 1/2 air mi ne of Beldon, on w idge of Caribou Road, on w side of the North Fork of Feather River); North Fork of Feather River, Caribou Road 792 Comment
  CAS-BOT-BC294284  Ericameria nauseosa var. speciosa E. K. Balls 1950-9-2 15662 Plumas Mt. Ingalls, s. slope below turn off to Nye Meadow, n. of Grizzly Valley 2133 Comment
  CAS-BOT-BC294287  Ericameria nauseosa var. speciosa Milo S. Baker 1926-8-23 296 c-'26 Plumas Lee's Camp Comment
  CHSC108095  Ericameria nauseosa var. speciosa Lowell Ahart 2011-9-17 17676 -B Plumas On the west side of Lumpkin Ridge Road, about 2 miles (air) west of Little Grass Valley Reservoir Dam. 1687 Comment
  CHSC40563  Ericameria nauseosa var. speciosa Lowell Ahart; Jim Jokerst 1985-10-4 5192 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. 1828 Comment
  CHSC69200  Ericameria nauseosa var. speciosa James D. Jokerst; R. A. Schlising, L. Ahart 1985-8-12 2572 Plumas Red Mtn. Rd. in saddle below summit, above junction with Rich Gulch Rd., N of Hwy. 70. Comment
  SBBG50454  Ericameria nauseosa var. speciosa J. T. Howell 1974-9-20 50902 Plumas near Spring Garden 1158 Comment
  UC1119836  Ericameria nauseosa var. speciosa E. Nourse 1934-9-4 24 Plumas 2 1/2 mi ssw of Quincy; Plumas National Forest, Downieville Quad. 1828 Comment
  UC1119837  Ericameria nauseosa var. speciosa C. G. Albertus 1935-10-11 293 Plumas 2 9/10 mi ne of Loyalton; Sierraville Quad. 1524 Comment
  UC1119859  Ericameria nauseosa var. speciosa C. G. Albertus 1935-8-7 254 Plumas 3 1/4 mi se of English Bar; Downieville Quad. 1554 Comment
  CAS-BOT-BC293031  Ericameria parryi var. nevadensis L. P. Janeway 1993-8-10 4514 Plumas Plumas National Forest, Beckwourth Ranger District. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth 1487 Comment
  CHSC62423  Ericameria parryi var. nevadensis L. P. Janeway 1993-8-10 4514 Plumas Plumas National Forest. Northwestern corner of Sierra Valley; south of the Middle Fork Feather River and west of the Beckwourth-Calpine Road; ca 0.7 mi west-southwest of Beckwourth. 1487 Comment
  SEINET8079306 Image available Ericameria parryi var. nevadensis J. T. Howell 1959-9-24 s.n. Plumas Near Blairsden 1341 Comment
  CHSC76797  Erigeron annuus L. P. Janewy 1997-9-29 5362 Plumas Along Soda Creek 0.1 mi north of Hwy 70 and East Branch North Fork Feather River. Roadside opening in bottom of deep canyon. Along edges of dirt road. 944 Comment
  CHSC53124  Erigeron barbellulatus L. P. Janeway 1989-6-30 3447 Plumas Plumas National Forest. Along rd 24N45Y 1.2 mi E of Crocker Cr opposite Crocker Guard Station and the Beckwourth-Genesee Rd (rd 111) 6.4 mi N of Beckwourth. 1874 Comment
  CHSC63115  Erigeron barbellulatus Lowell Ahart 1994-7-7 7457 Plumas Plumas-Sierra counties. On the north side of the Pacific Crest Trail, on Bunker Hill Ridge, about 3/4 mile (air) south of Pilot Peak. 2011 Comment
  CHSC34914  Erigeron bloomeri M. S. Taylor 1981-6-10 3892 Plumas McReynolds Valley, e side. On both sides of 25N78, 1.1 mi s of its jct with 28N01 in Squaw Valley, ca. 14 air mi nw of Beckwourth. 1676 Comment
  CAS-BOT-BC294473  Erigeron bloomeri var. bloomeri W. Harnach; N. Harnach 1989-5-27 116 Plumas Sierra Valley. Collection site at the gate to the old Pat Nobel barn and homesite 1496 Comment
  CHSC34886  Erigeron canadensis M. S. Taylor 1981-8-28 4245 Plumas Along Sulphur Creek, ca. 1/4 mi s of Hwy 89, ca. 3 mi se of Clio. 1432 Comment
  CHSC101853  Erigeron divergens Lowell Ahart; John Dittes, Josephine Guardino 2009-6-14 15884 Plumas About 300 yards north of Lake Almanor Dam, about 300 yards southwest of Boat Ramp, below the high water line. 1374 Comment
  CAS-BOT-BC296018  Erigeron divergens Alice Eastwood 1927-6-11 14447 Plumas Crescent Mills Comment
  JEPS97401  Erigeron eatonii var. plantagineus Vernon H. Oswald and L. Ahart 1994-7-24 7129 Plumas T30N R8E NE1/4 NE1/4 Sec. 7, 6350 ft, High Cascade Range, Red Fir Forest. N of Lake Almanor and ca. 2 mi ESE of Silver Lake on Forest Route 10 just S of its jct. with Forest Road 30N21 1935 Comment
  CAS-BOT-BC300839  Erigeron glacialis var. glacialis Margaret Williams; Emily McPhersen 1974-8-5 74 -P-19 Plumas Above Silver Lake. Trail to Mt. Elwell, Lakes Basin 2072 Comment
  CAS-BOT-BC300845  Erigeron glacialis var. glacialis Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC300841  Erigeron glacialis var. glacialis Anna Head 1921-7-25 s.n. Plumas At head of Long Lake, Feather River Region 2042 Comment
  JEPS16621  Erigeron glacialis var. glacialis Rimo Bacigalupi with Aldo Bacigalupi 1952-8-19 3950 Plumas about 1.5 mi n Sierra County border (meadow at end of road and beginning of trail to Long Lake); Mt. Elwell region 1981 Comment
  CAS-BOT-BC295218  Erigeron inornatus Lewis S. Rose 1932-9-6 32633 Plumas Jamison Mine 1676 Comment
  CAS-BOT-BC295228  Erigeron inornatus John Thomas Howell; Gordon H. True 1973-7-31 50127 Plumas On road from Janesville to Thompson Peak, Diamond Range 1981 Comment
  SD51228  Erigeron inornatus Darley F. Howe 1960-9-21 2992 Plumas 6.0 miles north of Greenville on Highway 89. 1220 Comment
  CHSC79453  Erigeron inornatus var. inornatus G. F. Hrusa; B. Smith 1996-7-15 13219 Plumas Sierra Nevada Flora - Plumas National Forest. Inter. of Hwy 70 and Sloat Rd. approx. 3 mi. E of Spring Garden. [Original lat./long. on label is '39 52 N; 120 44 W']. Comment
  CHSC92171  Erigeron inornatus var. inornatus Lowell Ahart; John Dittes 2005-9-20 12456 Plumas On the south side of Forest Road 27N34, about 1 mile northeast of Eisenheimer Peak, about 3/4 mile south of Wilcox Valley. 1984 Comment
  HSC39438  Erigeron inornatus var. inornatus J. O. Sawyer 1976-8-5 2930 Plumas Bucks Summit E of Bucks Lake Comment
  JEPS114526  Erigeron inornatus var. inornatus Lowell Ahart 2008-8-14 15198 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte 1571 Comment
  CAS-BOT-BC295463  Erigeron lassenianus var. deficiens L. P. Janeway 1993-7-15 4447 Plumas Plumas National Forest, Quincy Ranger District. West of Bean Creek, on west side of Rd 25N17, 0.4 mi south of the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River) 1536 Comment
  CAS-BOT-BC295488  Erigeron lassenianus var. lassenianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-23 54168 Plumas 3.25 miles west of Round Valley Reservoir dam 1633 Comment
  CHSC112520  Erigeron lassenianus var. lassenianus L. P. Janeway 2014-7-15 11528 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; just northwest of Long Valley Creek along Road 24N97, along the west edge of Happy Valley. 1748 Comment
  UC1118208  Erigeron lassenianus var. lassenianus E. Sawyer 1935-6-3 66 Plumas 2 1/4 mi sse Beckwith Butte; Plumas National Forest, Sierraville Quadrangle 1584 Comment
  CAS-BOT-BC295786  Erigeron petrophilus var. sierrensis L. P. Janeway 1993-7-15 4443 Plumas Plumas National Forest, Quincy Ranger District. Flat on top of saddle between Bean Creek (a tributary of upper Spanish Creek) and Berry Creek (a tributary of East Branch North Fork Feather River) 1569 Comment
  CHSC102007  Erigeron petrophilus var. sierrensis L. P. Janeway; B. Castro 2009-8-29 9949 Plumas Northern High Sierra Nevada. At eastern end of Red Mountain, 0.6 km south of the Buckhorn survey monument at junction of Road 23N69 and Road 23N36Y (to Martin Mine). 1881 Comment
  CHSC30930  Erigeron petrophilus var. sierrensis M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3346 A Plumas Ca. 1/4 mi s of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca. 20 mi sw of Quincy. 1645 Comment
  CHSC67426  Erigeron petrophilus var. sierrensis James D. Jokerst; Lowell Ahart 1985-10-4 2584 Plumas Pilot Peak serpentine NE of La Porte. Comment
  CHSC82079  Erigeron petrophilus var. sierrensis L. P. Janeway; B. Castro 2001-6-22 7369 Plumas Northern High Sierra Nevada. On low peak along ridge between Frenchman Hill and the northwest end of Red Mountain. 1798 Comment
  HSC100780  Erigeron petrophilus var. sierrensis L. P. Janeway, B. Castro 2009-8-29 9949 Plumas E end of Red Mountain, 0.6 km S of the Buckhorn survey monument; at junction of Rd. 23N69 and Rd. 23N36Y. 573 Comment
  RSA0035345  Erigeron petrophilus var. sierrensis Lowell Ahart 2012-9-5 18442 Plumas On the east side of the South Fork of the Feather River, about 400 yards northeast of the County Road where it crosses the South Fork of the Feather River, about 3/4 mile (air) southwest of Pilot Peak, about 8 1/2 miles (air) northeast of La Porte. 1940 Comment
  CHSC118839  Erigeron petrophilus var. sierrensis Noah Siegel 2015-7-29 2015005 Plumas Plumas National Forest. Located on eastern Rush Creek Hill. Forest Service road 27N67 near 26N22L. UTM 659415 E, 4437357 N, NAD83 Zone 10N. 1675 Comment
  UC1118182  Erigeron pumilus var. intermedius E. Sawyer 1935-6-27 164 Plumas Charlies Valley Sierraville Quad., Plumas national Forest, Charlies Valley 1524 Comment
  CAS-BOT-BC300261  Erigeron reductus var. reductus Anna Head 1921-7-15 s.n. Plumas Lake Center Camp, Feather River Region Comment
  JEPS100498  Erigeron reductus var. reductus Dean W. Taylor 2001-7-9 17826 Plumas Round Lake, Lakes Basin, along the Round Lake trail just about 200 meters East from the small unnamed tarn East of Round Lake Mine (site) Comment
  RSA88079  Eriodictyon californicum J. T. Howell 1951-6-26 27554 Plumas Near Keddie. 976 Comment
  CDA12093  Eriogonum douglasii G. F. Hrusa, G. L. Webster 1989-5-1 7016 Plumas Modoc Plateau; Hwy 70 between Vinton & Beckwourth. Comment
  RSA712986  Eriogonum douglasii var. douglasii L. P. Janeway, B. Castro 2006-7-4 8663 Plumas Northern High Sierra Nevada. South side of Squaw Valley, 100 m north of junction of McReynolds Valley Road and Squaw Valley Road 1684 Comment
  CHSC34736  Eriogonum elatum var. elatum M. S. Taylor 1981-7-13 4004 Plumas Ramelli Ranch, e side, s of Feather River, ca. 2 mi ese of Beckwourth. 1463 Comment
  CHSC34737  Eriogonum elatum var. elatum M. S. Taylor 1981-8-4 4154 Plumas On top of Wildcat Ridge, ca. 4 air mi nw of Antelope Lake, ca. 13 air mi ne of Taylorsville. 2164 Comment
  CHSC40852  Eriogonum elatum var. elatum K. R. Stern 1985-6-25 8225 Plumas Vicinity of Blairsden. 1432 Comment
  CAS-BOT-BC255754  Eriogonum elatum var. villosum Lewis S. Rose 1955-7-20 55159 Plumas Mohawk 1371 Comment
  RSA393294  Eriogonum elatum var. villosum Anstruther Davidson 1928-7-1 s.n. Plumas Feather River [county not specified: Butte, Plumas or Sierra] Comment
  SBBG64034  Eriogonum lobbii L. G. Yates 1895-1 Plumas Plumas County [no specific locality] Comment
  SBBG64042  Eriogonum marifolium A. A. Heller, P. B. Kennedy 1907-7-3 Plumas above Red Clover Valley Comment
  UC635078  Eriogonum marifolium Ethel Wickes July 1925 2892 Plumas Mt. Elwell Comment
  CAS-BOT-BC263306  Eriogonum marifolium var. marifolium Lowell Ahart 1989-7-2 6340 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte 2255 Comment
  CHSC46649  Eriogonum marifolium var. marifolium Lowell Ahart 1989-7-2 6340 Plumas On the north side and near the summit of Pilot Peak, about 10 miles north-east of La Porte. 2255 Comment
  UCD100503  Eriogonum nudum John Thomas Howell 1955-7-20 30853 Plumas Mohawk. 1371 Comment
  CAS-BOT-BC264818  Eriogonum nudum var. deductum John Thomas Howell 1951-6-28 27654 Plumas Johnsville, Sierra Nevada 1584 Comment
  CDA19227  Eriogonum nudum var. deductum G. D. Barbe, T. C. Fuller 1982-6-17 3798 Plumas Plumas National Forest; Junction Gold Lake Road with Highway 89 between Graegle and Clio. 6 mi N of Sierra Co line. 1371 Comment
  JEPS115796  Eriogonum nudum var. deductum Lowell Ahart, John Dittes, Josephine Guardino 2009-6-14 15864 -C Plumas Cut bank of Forest Road 27N01Y, about 1.3 miles (air) west of Lake Almanor Dam 1462 Comment
  SEINET10479526  Eriogonum nudum var. deductum Mary Susan Taylor 1981-7-17 Taylor 4038 Plumas T21N R12E se/se sec 7, Sierra City NW quad; Lakes Basin, Bear Lakes trail, in front of Big Bear Lake, ca. 6 air mi S of Mohawk; 6500 ft elev. 1987 Comment
  CHSC36210  Eriogonum nudum var. nudum M. S. Taylor 1982-7-7 4783 Plumas N side of 23N26 just e of its jct with 23N35, s side of Big Hill, ca. 3 air mi s of Sloat. 1615 Comment
  SEINET10479530  Eriogonum nudum var. oblongifolium Mary Susan Taylor 1982-8-30 Taylor 5075 Plumas T27N R11E se sec 26. Kettle Rock quad. Along 27N11, ca. 1 mi ne of Taylor Lake, ca. 7 air mi ne of Taylorsville. 6300 ft. 1920 Comment
  CAS-BOT-BC271972  Eriogonum nudum var. pubiflorum John Thomas Howell 1960-7-19 35635 Plumas Lassen Volcanic National Park. Drakesbad 1828 Comment
  SBBG21287  Eriogonum spergulinum var. reddingianum D. Myrick 1964-7-21 890 Plumas E of Trail Parking at Drakesbad 1737 Comment
  POM98575  Eriogonum spergulinum var. reddingianum F. W. Peirson 1926-6-21 s.n. Plumas South shore Lake almanor, Comment
  RSA325154  Eriogonum sphaerocephalum M. S. Taylor 1981-6-18 3937 -A Plumas Grizzly Valley quad. N. side of rd 25N93, ca. 1.5 mi NW of Bagley Pass, ca 1.5 mi. NW of Blaisden. 1768 Comment
  NY283441  Eriogonum sphaerocephalum var. halimioides R. M. Austin 1880-1 s.n. Plumas Comment
  CHSC115804  Eriogonum umbellatum var. ahartii Lowell Ahart; Jason Deurloo 2015-8-25 20529 Plumas On the bottom of the Bean Hill Mine, hydraulic mine in serpentine, 2.8 miles (air) east-northeast of Silver Lake, 3.3 miles (air)south Twain, 7.8 miles (air) west-northwest of Quincy. 1367 Comment
  CDA13399  Eriogonum umbellatum var. dumosum G. F. Hrusa, B. Smith, T. D. Wilfred 1996-7-16 13248 Plumas Sierra Nevada; Above headwaters of Bull Run Creek off USFS 23N12E. Comment
  CHSC108054  Eriogonum umbellatum var. furcosum L. P. Janeway 2011-8-23 10672 Plumas Northern High Sierra Nevada. Plumas National Forest; above Road 22N27 2.3 road km northeast of Road 22N94; 0.9 air km northwest of the tip of the Black Rock Creek arm of Little Grass Valley Reservoir. 1695 Comment
  CHSC107422  Eriogonum umbellatum var. modocense L. P. Janeway; Peter Zika 2011-8-6 10632 Plumas Northern High Sierra Nevada. Plumas National Forest; northwest tip of the nose of the rocky ridge on southeast side of Quincy-La Porte Road, 1.7 air km northwest of Pilot Peak. 'Bare' rounded ridge top of metamorphic rock (just nortwesst of the serpentine area); 2001 Comment
  CHSC67686  Eriogonum umbellatum var. modocense James D. Jokerst 1985-7-23 2541 Plumas Arid slopes adjacent to old county road ca. 400 ft. elevation above Hwy. 70 N of Indian Creek, due N of Indian Falls. 807 Comment
  CAS-BOT-BC265160  Eriogonum umbellatum var. nevadense Clare B. Hardham 1970-8-9 17716 Plumas Road to Thompson Peak Lookout 2133 Comment
  CDA18750  Eriogonum umbellatum var. nevadense G. D. Barbe, T. C Fuller 1982-7-16 3767 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CHSC39996  Eriogonum umbellatum var. nevadense M. S. Taylor; H. Swanson 1982-8-11 4963 Plumas Along Pacific Crest trail, ca. 1 mi nw of A-Tree, ca. 5 mi sw of Johnsville. 2133 Comment
  CHSC39997  Eriogonum umbellatum var. nevadense M. S. Taylor 1982-6-28 4776 A Plumas On s side of Feather River, sw of jct of Hwy 70 and Calpine Rd, ca. 1 mi sw of Beckwourth. 1487 Comment
  RSA759517  Eriogonum umbellatum var. nevadense James L. Reveal 2007-6-5 8838 Plumas Along U. S. Forest Service Road 26N70 (County Road 177) north of Conklin Park Campground, 0.6 miles north of the bridge over Willow Creek. 1723 Comment
  SEINET5331923  Eriogonum umbellatum var. nevadense J. T. Howell, Gordon H. True 1973-7-31 50112 Plumas Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond Range. 2195 Comment
  JEPS56232  Eriogonum umbellatum var. polyanthum Esther C. Fritz 1933-7-18 Plumas Spanish Peak 2145 Comment
  JEPS87888  Eriogonum umbellatum var. polyanthum Lowell Ahart 1994-7-28 7528 Plumas ne Frenchman Hill (sw of Bucks Lake) 1706 Comment
  RSA197146  Eriogonum umbellatum var. polyanthum Noel Holmgren, James L. Reveal 1966-7-19 2905 Plumas California 89, north end of Spring Garden (town). Road bank at edge of oak-yellow pine forest. 1220 Comment
  SD8040  Eriogonum umbellatum var. polyanthum Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  SEINET9319752  Eriogonum umbellatum var. polyanthum Unknown 1996-7-16 13248 Plumas Plumas National Forest Comment
  CAS-BOT-BC262267  Eriogonum ursinum A. A. Heller; P. B. Kennedy 1907-7-13 8833 Plumas Between Taylorville [Taylorsville] and Little Grizzly creek Comment
  CHSC105596  Eriogonum ursinum var. ursinum L. P. Janeway 2010-7-13 10105 Plumas Northern High Sierra Nevada. Plumas National Forest; west edge of top of Goat Mountain, 0.7 km southeast of the southeast side of Little Grass Valley Reservoir. 1721 Comment
  CHSC26177  Eriogonum ursinum var. ursinum J. P. Kroessig 1977-5-24 38 Plumas Along n margin of Alt. 40, ca 32 km sse of Greenville. 805 Comment
  CHSC62127  Eriogonum ursinum var. ursinum L. P. Janeway 1993-7-15 4440 Plumas Plumas National Forest Quincy Ranger District Hallsted Compartment. Steep northwest facing slope overlooking Virgilia (East Branch North Fork Feather River) at the saddle between Bean Creek (tributary of upper Spanish Creek) and Berry Creek (tributary of East Branch North Fork Feather River). 1563 Comment
  NY399821  Eriogonum vimineum Mrs. Ames 1876-1 s.n. Plumas Comment
  SJSU15257  Eriogonum vimineum S. Woolhouse 2009-7-28 15 Plumas Next to Caribou Road and the North Fork of the Feather River Comment
  CAS-BOT-BC264121  Eriogonum vimineum Lowell Ahart 1981-7-18 2935 Plumas North side of road, about 2 miles north of Belden on Caribou Road 1200 Comment
  CHSC21660  Eriophyllum lanatum D. Brink; L. Mayer 1975-7-12 Plumas Buck's Lake. Comment
  CAS-BOT-BC308266  Eriophyllum lanatum var. integrifolium Lewis S. Rose 1934-7-23 34412 Plumas Chilcoot, Sierra Valley 1522 Comment
  CAS-BOT-BC308273  Eriophyllum lanatum var. integrifolium Alice Eastwood 1927-6-27 14881 Plumas On road from Chilcoot Comment
  CHSC48158  Eriophyllum lanatum var. integrifolium Vernon Oswald 1986-7-10 2188 Plumas LaPorte-Quincy Rd. at S. Fork of Feather R. 1965 Comment
  CHSC67427  Eriophyllum lanatum var. integrifolium James D. Jokerst; Lowell Ahart 1985-10-4 2587 Plumas Pilot Peak NE of La Porte. Comment
  SEINET11991662  Erysimum asperum Unknown 1968-1 s.n. Plumas 41 mi NE of Oroville, beside Hwy 70 Comment
  SFV8748  Erysimum capitatum J. D. Watjen 1969-5-4 37 Plumas Sierra Nevada Feather River Canyon near confluence of Rock Creek and North Fork Feather River, 0.75 miles from Highway 70. 503 Comment
  CHSC20758  Erythranthe breweri K. R. Stern 1975-7-24 5876 Plumas Sw shore of Lake Almanor. 1371 Comment
  CHSC34295  Erythranthe cardinalis M. S. Taylor 1981-8-19 4215 Plumas Jct Bell Creek and rd 23N10, ca. 1.5 mi w of Sloat. 1310 Comment
  CHSC34071  Erythranthe guttata M. S. Taylor 1981-7-27 4121 Plumas Along spring crossing Beckwourth-Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of Notson Bridge, ca. 17 air mi ne of Blairsden. 1737 Comment
  CHSC97432  Erythranthe primuloides Robert Fischer 2006-7-2 1041 Plumas Buckslake. Between Oroville and Bucks Lake, off the Oro-Quincy Hwy, at large meadow just south of Bucks Lake. 1371 Comment
  RSA430188  Erythranthe pulsiferae Christopher Davidson 1975-6-7 2733 Plumas 4.6 mi N. of Greenville on Hwy 89. 1238 Comment
  RSA0091209  Erythronium Bonnie C. Templeton 1968-1 11282 Plumas [No location data on label. Possibly Trinity County.] Comment
  CAS-BOT-BC502826  Erythronium multiscapideum John Thomas Howell; Gordon H. True 1967-5-9 42231 Plumas Sierra Nevada, southeast side of North Fork of Feather River at Pulga Bridge Comment
  UC1042408  Erythronium purpurascens John Thomas Howell 1951-6-28 27684 Plumas Eureka Peak 1981 Comment
  UC338810  Erythronium purpurascens unknown 627 Plumas Indian Valley Comment
  HSC15510  Erythronium purpurascens Jim Vaughn 1956-8-5 Plumas Upper Hot Springs Creek, Devils Kitchen area, Mt. Lassen National Park 1829 Comment
  CAS-BOT-BC110554  Eschscholzia John Thomas Howell 1959-9-24 34964 Plumas Sierra Nevada. Sierra Valley near Beckwourth. 1478 Comment
  CHSC108463  Eucephalus breweri Lowell Ahart 2011-9-20 17678 Plumas Forest floor along the poor dirt road on the north side of Pilot Peak, about 9 miles (air) northeast of La Porte. 2072 Comment
  SEINET10475033  Eupatorium occidentale Mary Susan Taylor 1981-7-21 Taylor 4097 Plumas T24N R11E ne/ne sec 17, Spring Garden quad. Argentine Lookout, ca. 0.5 mi SW of 26N2l-Grizzly Peak Rd, ca. 5 air mi N of Spring Garden. 7200 ft elev. 2194 Comment
  CHSC71387  Euphorbia crenulata Vernon H. Oswald; Beth Corbin, Gary Schoolcraft 1998-7-11 9255 Plumas Humbug Rd. 0.1 mi south of the split in Humboldt-Humbug Rd. located ca. 0.75 mi south of Hwy. 89 at Lake Almanor. 1414 Comment
  SD8699  Euphorbia serpillifolia Daniel Cleveland 1882-7-24 Plumas Prattville Comment
  CAS-BOT-BC310532  Eurybia integrifolia Anna Head 1921-8-5 s.n. Plumas Near Gold Lake, Feather River Region 1981 Comment
  CHSC62342  Eurybia integrifolia B. Castro; L. Hanson 1989-8-17 399 Plumas Ca 13 air mi E of Greenville, ca 2.5 mi N of Kettle Rock, in the Mud Lake Research Natural Area within Plumas National Forest. 2042 Comment
  SD9010  Eurybia integrifolia unknown 1882-7-21 Plumas Prattville Comment
  UCR146409  Festuca arida Beecher Crampton 1954-5-11 1875 Plumas Northern Sierra Nevada Mountains, 4 miles east of Beckwourth, [The Buttes] along Hwy. 24 1494 Comment
  CAS-BOT-BC278467  Festuca idahoensis John Thomas Howell; Gordon H. True 1973-7-31 50101 Plumas Summit ridge of Thompson Peak, Diamond Range 2194 Comment
  UC580751  Festuca idahoensis E. Sawyer 1935-6-25 151 Plumas 0.5 mi n Crow; Plumas National Forest, Sierraville Quad. 1676 Comment
  CAS-BOT-BC278464  Festuca idahoensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-24 54210 Plumas 2.5 miles northeast of Quincy Junction on road to Mt. Hough 1280 Comment
  CAS-BOT-BC278844  Festuca occidentalis Lowell Ahart 1977-7-26 1478 Plumas One-half mile below the Bunker Hill Mine 609 Comment
  CAS-BOT-BC278847  Festuca occidentalis John Thomas Howell 1961-6-21 36611 Plumas Greenville 1097 Comment
  CAS-BOT-BC278854  Festuca occidentalis David D. Keck 1944-7-8 5430 Plumas 5 mi. N. of Quincy, on road to Keddie 1005 Comment
  CAS-BOT-BC278857  Festuca occidentalis Mary S. Clemens 1920-6-22 18 Plumas Quincy Comment
  CHSC37293  Festuca occidentalis M. S. Taylor 1982-6-21 4703 Plumas S side of Eureka Ridge Rd, ca. 1 air mi w of White Cap ca. 4 air mi sw of Sloat. 1767 Comment
  UC641617  Festuca occidentalis G. L. Stebbins Jr. 1939-7-6 2908 Plumas 1.7 mi e Meadow Valley (on road to Quincy) 1097 Comment
  RSA755774  Festuca subulata L. Ahart, John Dittes, Josephine Guardino 2009-7-21 16107 Plumas About 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 air miles southwest of Lake Almanor. 1303 Comment
  JEPS121738  Festuca trachyphylla L. P. Janeway 2014-7-17 11564 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; 0.5 km north of Logn Valley Creek, along the dryish eastern edge of the large meadow on the northwest side of Happy Valley. Comment
  CAS-BOT-BC55677  Frangula purshiana Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake region Comment
  HSC100832  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-15 9194 Plumas Granite Basin, along the Little North Fork Middle Fork Feather River near the Rd. 18 bridge. 421 Comment
  HSC99895  Frangula purshiana subsp. annonifolia J. P. Smith, & J. O. Sawyer 2004-9-12 12051 Plumas Road along Jamison Creek, west of Eureka-Plumas State Park. 1677 Comment
  RSA739860  Frangula purshiana subsp. annonifolia L. P. Janeway 2007-8-12 9160 Plumas Northern High Sierra Nevada, Meadow at a northeastern headwaters of Marble Creek, along road 23N18D 150m SW of road 18, Northern end of Rock Island Ridge, 1.3km SSE of Soapstone Hill. 1603 Comment
  HSC100828  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-8-12 9168 Plumas Along Rd. 23N73Y at the 'Linnea Fen,' 0.8 km NNW of Oroville-Quincy Hwy. and Grizzly Summit. 540 Comment
  HSC100830  Frangula purshiana subsp. ultramafica L. P. Janeway 2007-6-3 9024 Plumas South facing slope near the eastern end of Red Mountain, near Rd. 23N69, 0.7 mi. NW of the 18 Rd. 574 Comment
  CHSC33819  Frangula rubra M. S. Taylor; M. Foster 1981-6-2 3819 Plumas Dry open serpentine soils with outcrops, N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  CAS-BOT-BC59577  Frangula rubra subsp. rubra John Thomas Howell; Gordon True 1967-5-9 42223 Plumas Sierra Nevada - Feather River Canyon near mouth of Chambers Creek 609 Comment
  CHSC96743  Fritillaria atropurpurea L. P. Janeway 2007-5-20 8991 Plumas Northern High Sierra Nevada. Crest at head of Bean Creek (which drains to the south-southeast; East Branch North Fork Feather rivers to the north); at junction of Roads 25N17, 25N57, 25N59. 1573 Comment
  CAS-BOT-BC505273  Fritillaria atropurpurea Mrs. E. C. Sutcliffe 1927-6-1 s. n. Plumas Drakesbad, Lassen Volcanic Park Comment
  CAS-BOT-BC508208  Fritillaria atropurpurea Alice Eastwood 1918-5-25 6992 Plumas Portola Comment
  SEINET10469562  Fritillaria atropurpurea Mary Susan Taylor 1981-1 Plumas Comment
  CAS-BOT-BC506202  Fritillaria micrantha John Thomas Howell 1951-6-28 27655 Plumas Johnsville 1584 Comment
  UC119836  Fritillaria recurva Mrs. R. M. Austin 1874-1 303 Plumas Butterfly Valley Comment
  POM174026  Fritillaria recurva J. G. Lemmon s.n. Plumas Sierra Valley to Indian Valley Comment
  RSA52840  Fritillaria recurva R. Weatherby 1950-5-31 1442 Plumas Near Lake Almanor 1341 Comment
  RSA59100  Fritillaria recurva E. K. Balls 1950-8-30 15504 Plumas Trail to Bucks Creek from Tobins Resort, North Fork Feather River. 610 Comment
  CHSC21708  Galium F. T. Griggs; A. Pass 1975-7-3 78 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC97195  Galium bifolium Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14000 Plumas East side of an open rocky flat, 60 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1965 Comment
  OBI76985  Galium bifolium Anthony Baniaga 2011-7-26 472 Plumas Lassen Natl Forest. Along F.S. 10, near jctn with "YA" spur. Red Cinder Quad T29N R7E sec 3 SE of SE 1787 Comment
  CDA14666  Galium bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3106 Plumas 0.1 mile west of Round Valley Reservoir dam on Dixie Canyon-Round Valley Road. 1371 Comment
  SBBG21775  Galium trifidum D. Myrick 1964-7-21 895 Plumas trail parking area, Drakesbad 1737 Comment
  CHSC81153  Galium trifidum var. pacificum Lowell Ahart 2001-8-28 9204 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile northeast of Chester. 1371 Comment
  JEPS29543  Galium trifidum var. pacificum John Thomas Howell 1960-7-23 35959 Plumas Drakesbad Lassen Volcanic National Park (nr. soda spring) 1676 Comment
  CHSC108718  Galium trifidum var. pusillum B. Castro; L. P. Janeway 2003-9-7 1456 Plumas High Cascade Range. Caribou Wilderness Area; lake/pond/slough/meadow complex between Hidden Lakes and Beauty Lake, ca 0.7 mi south of Long Lake. Along channel of creek running length of valley through a pair of ponds, at NW edge of smaller upper pond. 2033 Comment
  SEINET10500647  Galium triflorum Mary Susan Taylor 1981-7-29 Taylor 4150 Plumas T25N R12E se 1/4 ne 1/4 sec 19 Genesse Valley quad. Along creek crossing 25N 42-Flournoy grade, 0.2 mi N of N branch of Ward Creek, ca. 5 air mi se of Genesse. Riparian wood on granite. 6000 ft. 1829 Comment
  CAS-BOT-BC144396  Garrya fremontii Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1402 Plumas Butterfly Botanical Area and vicinity. Pond reservoir 1097 Comment
  CAS-BOT-BC169854  Garrya fremontii M. S. Taylor 1982-5-15 4453 Plumas along Gray Eagle Lodge Rd, just sw of Hwy 519, ca. 7 mi s of Mohawk 1737 Comment
  CAS-BOT-BC169857  Garrya fremontii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-26 54373 Plumas 0.75 miles northeast of Bucks Summit on road to Quincy 1600 Comment
  SD7625  Garrya fremontii Mrs. R. M. Austin 1880-1 Plumas Comment
  UCD121156  Garrya fremontii B. F. Smith 1967-8-17 62 Plumas South slope of Goat Mountain, 2 1/2 miles northeast of La Porte. 1645 Comment
  UCD40411  Garrya fremontii Rodney Gale Myatt 1971-6-13 752 Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CAS-BOT-BC478511  Gayophytum John Thomas Howell; Gordon H. True 1973-7-31 500096 Plumas Canadian Zone forest, summit ridge of Thompson Peak in areas of volcanic rock, Diamond Range 2194 Comment
  CHSC117626  Gayophytum diffusum subsp. diffusum Lowell Ahart 2016-8-30 21326 Plumas On the west side of the meadow, south of the pond, about 100 yards west of the Pacific Crest Trail on Bunker Hill Ridge, about 1 1/2 miles (air) southeast of Pilot Peak. 2044 Comment
  CHSC62473  Gayophytum diffusum subsp. diffusum L. P. Janeway 1993-8-26 4541 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; ca 300 m south of Middle Fork Feather River and ca 300 m west of Beckwourth-Calpine Road; ca 0.6 mi west of Beckwourth and 4 mi east of Portola. 1487 Comment
  SEINET4149975  Gayophytum diffusum subsp. diffusum C. Tanner 1999-8-2 s.n. Plumas Portola, growing in yard at 433 W. Plumas St. 1484 Comment
  CHSC103131  Gayophytum diffusum subsp. parviflorum Lowell Ahart; John Dittes, Josephine Guardino 2009-7-21 16114 Plumas West of a man made depression about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. 1302 Comment
  CHSC99805  Gayophytum diffusum subsp. parviflorum Lowell Ahart 2008-8-14 15197 Plumas 20 yards northeast of the metal gate, east side for Forest Road 22n68, about 50 yards west of the South Fork of the Feather River, about 1/2 mile northeast of Little Grass Valley Reservoir, about 5 miles (air) northeast of La Porte. 1571 Comment
  JEPS27555  Gayophytum diffusum subsp. parviflorum Esther C. Fritz 1933-7-15 Plumas Spanish Peak; lookout station at summit 2133 Comment
  CHSC74689  Gayophytum heterozygum B. Castro 1998-7-28 816 A Plumas Ca 2 mi SW of La Porte and 0.6 mi E of American House, on S-facing slope E of the La Porte Rd. On roadcut edge within 15 ft of main road, and ca 120 ft to the S. 1508 Comment
  RSA716596  Gayophytum heterozygum L. Ahart, John Dittes 2005-9-19 12409 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake 1987 Comment
  UC1122573  Gayophytum heterozygum C. G. Albertus 1935-8-2 242 Plumas 3 1/2 mi se Nelson Point; Plumas National Forest, Downieville Quadrangle Comment
  SEINET3150046  Gayophytum nuttallii E. K. Balls 1950-9-15 15828 Plumas N Fork Feather River, 6 miles NW of Chester 1402 Comment
  SEINET7717332  Gentiana affinis Unknown Plumas Goose Lake Valley Comment
  SD46624  Gentiana calycosa Robert J. Weatherby 1955-8-16 1685 Plumas Meadow Valley area, Spring at Fales Hill Mine 1524 Comment
  UC1191689  Gentiana newberryi Malcolm A. Nobs and S. Galen Smith 1949-8-19 1451 Plumas Butterfly Valley Comment
  UC1586468  Gentiana newberryi Vernon H. Oswald and Lowell Ahart 1991-7-30 4782 Plumas 5.2 mi (odometer) ne Humbug Summit (between Humbug Summit and Humbug Valley) (Humbug Rd at Grizzly Creek); Grizzly Creek 1777 Comment
  UC912423  Gentiana newberryi Ethel Wicks Jul 1926 2889 Plumas Mount Elwell Comment
  RSA59441  Gentiana simplex E. K. Balls 1950-9-9 15729 Plumas West of Lakes Center Public Campground, by small lake. 2043 Comment
  UC405461  Gentianella amarella subsp. acuta Mrs. R. M. Austin 1879-1 Plumas Big Meadows; Mt. Dyer Comment
  JEPS114523  Gentianopsis simplex Lowell Ahart 2008-8-14 15206 Plumas Wet meadow area with a small stream, just northwest of the culvert, on the northwest side of the good logging road (Forest Road 22N68), west of the South Fork of the Feather River, about 1/2 mile southwest of the Feather Fork Mine, about 1 mile northeast 1600 Comment
  CHSC35282  Geum macrophyllum M. S. Taylor; M. Foster 1981-7-6 3970 Plumas Roadside and meadow along Grigsby Creek, ca. 1 mi w of n tip of Frenchman Lake, ca. 13 air mi nw of Chilcoot. 1798 Comment
  CHSC63164  Geum macrophyllum Lowell Ahart 1994-6-17 7352 Plumas On the edge of a meadow, on the east side of Sly Creek, about 1 mile north of Schwartz Meadow, about 1 mile east of Sly Creek Reservoir. 1097 Comment
  POM181036  Geum macrophyllum A. A. Heller, P. B. Kennedy 1907-7-9 s.n. Plumas Prattville. Comment
  SEINET10483302  Geum macrophyllum Mary Susan Taylor 1982-6-23 Taylor 4715 Plumas T23N R10E sw/ne sec 18. Blue Nose Mt quad. Along tributary to Middle Cr, s side of 23N10-Peoria Cr Rd, 1.7 mi w of its jct with 23N50Y, ca. 3 air mi sw of Sloat. 4600 ft. 1402 Comment
  SEINET10483304  Geum macrophyllum Mary Susan Taylor 1981-7-6 Taylor 3970 Plumas T24N R16E nw/se sec 7. Frenchman lake quad. Roadside and meadow along Grigsby Creek, ca. 1 mi W of N tip of the lake, ca. 13 air mi NW of Chilcoot. 5900 ft elev. 1798 Comment
  SEINET6702722  Geum macrophyllum var. perincisum A. A. Heller, P. B. Kennedy 1907-7-9 8787 Plumas Prattville Comment
  CDA19269  Geum triflorum G. D. Barbe, T. C. Fuller 1982-6-17 3840 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS117711  Gilia leptalea subsp. leptalea Lowell Ahart 2010-10-21 17306 Plumas About 80 yards northwest of the spring, on the north side of the road to Cleghorn Bar, about 2 miles by road west of the Quincy-La Porte Road, about 2 1/2 miles (air) northwest of Pilot Peak 1928 Comment
  CHSC92117  Glyceria borealis Lowell Ahart; John Dittes 2005-9-19 12386 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake. 2080 Comment
  JEPS107730  Glyceria borealis Lowell Ahart, John Dittes 2005-9-19 12386 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  SEINET7297636 Image available Glyceria borealis Malcolm A. Nobs, S. Galen Smith 1949-1 1459 Plumas Marshy pond on southeastern side of Portola Comment
  CAS-BOT-BC282699  Glyceria elata Anna Head 1921-7-23 s.n. Plumas Lake Center Camp, Feather River Region Comment
  JEPS76217  Glyceria elata W. L. Jepson 1939-7-30 19280 Plumas between Fales Hill and Chaparral Hill (Spanish Creek headwaters); Spanish Creek 1584 Comment
  UC1100348  Glyceria elata Malcolm A. Nobs and S. Galen Smith 1949-8-20 1464 Plumas about 13 mi sw Milford (on road between Milford and Beckwourth) Comment
  CDA14041  Gnaphalium canescens subsp. thermale G. F. Hrusa, T. D. Wilfred 1996-8-1 13413 Plumas Sierra Nevada; Approx. 1/4 mi. S of intersection of USFS 24N42 & 24N66, approx. 1 mi. S of Brady's Camp, Plumas NF. Comment
  CDA14697  Gnaphalium palustre G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3185 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  CHSC30932  Gnaphalium palustre M. S. Taylor; W. Dakon, T. Griggs 1980-9-27 3350 Plumas Along Grizzly Creek, s side of Bucks Lake-Spanish Ranch Rd, ca. 1/4 mi e of Frenchman Hill, ca 20 mi sw of Quincy. 1524 Comment
  CHSC55664  Gnaphalium palustre K. R. Stern 1985-6-25 8202 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC97576  Gnaphalium palustre Lowell Ahart; John Dittes 2007-6-16 14084 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  JEPS113565  Gnaphalium palustre Lowell Ahart, John Dittes 2007-6-16 14084 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  RSA60241  Gnaphalium palustre E. K. Balls 1950-9-2 15633 Plumas Nye Meadows, west slope of Mt. Ingalls, north of Grizzly Valley 2256 Comment
  RSA59281  Gnaphalium thermale E. K. Balls 1950-9-4 15575 Plumas Feather River Experiment Station, Highway 24, 4 miles north of Quincy 1067 Comment
  CHSC113933  Gratiola neglecta Lowell Ahart 2014-8-20 19717 Plumas Near springs on the east edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1-1/4 miles east of Chester. 1386 Comment
  CAS-BOT-BC494138  Grindelia squarrosa William Harnach 2000-8-23 992 Plumas Sierra Valley. Intersection of Dyson Lane and Hwy 49 1496 Comment
  SEINET10546929  Hackelia Mary Susan Taylor 1982-6-17 Taylor 4696 Plumas T23N R10E sw/se sec 13. Blue Nose Mt quad. Montane Meadow along Oliver Creek, at its jct with 23N39, ca. 3 air mi sw of Sloat. Elev 5300 ft. 1615 Comment
  CDA14730  Hackelia nervosa G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3258 Plumas Mount Hough-Crystal Lake Road, 1.4 miles below (southeast of) Mt. Hough summit. 1950 Comment
  RSA31767  Hackelia nervosa A. A. Heller 1942-8-14 10521 Plumas Below the Sulphur Works Checking Station. Comment
  CDA11921  Hastingsia alba G. F. Hrusa, J. Dinsdale 1989-6-27 7216 Plumas Sierra Nevada; Butterfly Botanical Area, Butterfly Valley approx. 10 miles NW of Quincy. Plumas National Forest. Comment
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Jul 19 2008
  CHSC54331  Hastingsia alba Vernon H. Oswald; Lowell Ahart 1991-6-18 4676 Plumas Forest Rd 28N38, 1.7 miles northeast of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north-northwest of Greenville. 1463 Comment
  RSA286328  Hastingsia alba Robert F. Thorne 1974-7-30 44997 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  SEINET3365756 Image available Hastingsia alba Marcus E. Jones 1897-7-3 Plumas Pratville Comment
  UCD138413  Hastingsia alba A. A. Heller; P. B. Kennedy 1907-7-11 8821 Plumas grade between Greenville and Prattville. Comment
  CHSC43610  Hazardia whitneyi var. whitneyi Vernon Oswald 1983-8-24 1023 Plumas Pacific Crest Trail, ca. 3 mi e of Humboldt Summit n-e of Jonesville. 2118 Comment
  CHSC62340  Hazardia whitneyi var. whitneyi B. Castro 1989-8-21 408 Plumas Ca 8 air mi S of Bucks Lake, ca 1 mi N of Hunter's Ravine, along edges of USFS Rd 23N70. 1554 Comment
  SD8838  Helenium Daniel Cleveland 1882-6-25 Plumas Big Meadows Comment
  CHSC33888  Helenium bigelovii M. S. Taylor 1981-7-21 4087 Plumas Along creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  CHSC45005  Helenium bigelovii Lowell Ahart 1979-8-16 2014 Plumas In a bog, about 100 yards east of Ohio Ravine, east of the dirt road, about 2 1/4 air miles south of Grizzly Mountain. 1767 Comment
  CHSC91749  Helenium bigelovii G. F. Hrusa; S. Gamairi, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16277 Plumas Northern Sierra Nevada. Butterfly Valley Botanical Area. In bog. 1158 Comment
  CAS-BOT-BC306699  Helenium bigelovii Margaret Williams 1966-7-11 s.n. Plumas Near Jamison Creek, above Johnsville 1676 Comment
  UC1523738  Helenium bigelovii Gary Schoolcraft 1982-7-28 823 Plumas w Dyer Mtn. 1828 Comment
  UC1069449  Helianthella californica subsp. nevadensis A. Lewis 1934-6-12 471 Plumas 4 1/2 mi nw Lexington Hill; Plumas National Forest, Bidwell Bar Quadrangle 1524 Comment
  CAS-BOT-BC314789  Helianthella californica var. nevadensis Anna Head 1921-7-30 s.n. Plumas Lake Center Camp, Feather River Region Comment
  SD9156  Helianthus annuus Daniel Cleveland 1882-7-25 Plumas Austin's, Big Meadows Comment
  CAS-BOT-BC305542  Helianthus bolanderi John Thomas Howell 1951-8-20 28225 Plumas Indian Valley 1097 Comment
  CHSC117024  Hemizonella minima Lowell Ahart 2016-6-2 20912 Plumas Basalt flat, on the west side of the paved road, Lumpkin Ridge Road, about 3 3/4 miles (air) southwest of Little Grass Valley Reservoir dam. 1555 Comment
  CAS-BOT-BC313428  Hemizonella minima David D. Keck 1932-7-3 1621 Plumas South side of Quincy, Northern Sierra Nevada 1249 Comment
  JEPS114926  Heracleum lanatum Lowell Ahart 2008-7-16 15078 Plumas Forest floor, in a small seep, east of a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of 1597 Comment
  POM77804  Heracleum maximum Marcus E. Jones 1897-7-6 s.n. Plumas Pratville. 1372 Comment
  CAS-BOT-BC55285  Hesperis matronalis John Thomas Howell 1963-6-3 39387 Plumas Sierra Nevada. Quincy. 1036 Comment
  HSC15822  Hesperolinon micranthum L. S. Rose 1967-7-11 67158 Plumas Mt. Hough Rd., 2 mi. NE of Quincy Jct. 1220 Comment
  SD131837  Hesperolinon micranthum Barbara Ertter 1989-7-4 8682 Plumas 2.2 mi W of jct with Hwy 89 & Hwy 36 SW of Chester. 1463 Comment
  CHSC113632  Heterocodon rariflorum Lowell Ahart 2014-8-31 19827 Plumas Gravel bars along Black Rock Creek, about 200 yards southwest of the foot bridge across Black Rock Creek, about 200 yards southwest of the Black Rock, Little Grass Valley Reservoir, about 4 1/2 miles (air) northwest of La Porte. 1536 Comment
  JEPS110545  Heterocodon rariflorum Lowell Ahart 2006-10-23 13477 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  SEINET10460735  Heterocodon rariflorum Lowell Ahart 1975-7-20 Ahart s.n. Plumas Found in very wet ground 0.5 mile below the Bunker Hill Moine. 10 miles northeast of La Porte 1829 Comment
  SEINET10460746  Heterocodon rariflorum Mary Susan Taylor 1982-6-28 Taylor 4781 Plumas T23N R14 E nw/se sec 27. Portola quad. In Sagebrush Scrub along s side of Feather River, ca. 1 mi sw of Beckwourth on Ramelli Ranch, ca. 1/4 mi w of Calpine Rd (109). 4880 ft. 1487 Comment
  CHSC34307  Heterotheca oregona var. compacta L. Ahart 1981-9-6 3067 Plumas Near Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  RSA718945  Heterotheca oregona var. rudis L. Ahart 2006-10-8 13390 Plumas North side of the North Fork of the Feather River, on the south side of Highway 70, about 1/8 mile southwest of Chambers Creek. 623 Comment
  UC1523722  Heterotheca villosa var. minor Gary Schoolcraft 1982-7-27 Plumas 2 mi n Chilcoot 1645 Comment
  CAS-BOT-BC425156  Heuchera rubescens M. S. Taylor 1982-8-5 4933 Plumas Mt Hough summit on cliff above Crystal Lake, ca. 7 mi nne of Quincy. 2203 Comment
  CAS-BOT-BC319615  Hieracium albiflorum Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1468 Plumas Butterfly Canyon, Butterfly Botanical Area and vicinity 990 Comment
  RSA286279  Hieracium albiflorum R. F. Thorne 1974-7-30 45013 Plumas Plumas National Forest: Butterfly Valley Botanical Area. 1158 Comment
  UCR89180  Hieracium albiflorum Walter Knight, J. T. Howell, I. Knight 1966-7-28 s.n. Plumas Butterfly Canyon along roadside 991 Comment
  CAS-BOT-BC318527  Hieracium greenei L. N. Lorenzen No date on label. 8 Plumas Tamarac Springs, Shasta Forest 1676 Comment
  CAS-BOT-BC316042  Hieracium scouleri Emily McPherson 1975-8-31 75- 74 -4 Plumas Above Gold Lake to Mt. Elwell in Lakes Basin, Sierra Nevada 1981 Comment
  SEINET4399867  Hippuris vulgaris W. Harnach, N. Harnach 1991-6-30 597 Plumas Approximately 1 mile south of the Steel Bridge on Marble Lane, Ibis rookery site 1486 Comment
  CHSC79086  Holcus lanatus L. P. Janeway; B. Castro 2000-7-3 6877 Plumas Northern High Sierra Nevada. Head of small drainage to East Branch North Fork Feather River from the southeast, vicinity of Paxton; about 1.1 km north of Butterfly Valley Botanical Area. 1189 Comment
  SEINET4585593  Hordeum brachyantherum W. Harnach, N. Harnach 1991-6-21 559 Plumas Sierra Valley, next to railroad bridge east of Co. Rd. A-23, 0.25 miles S of Beckwourth 1487 Comment
  JEPS113751  Hordeum brachyantherum subsp. brachyantherum Lowell Ahart, John Dittes 2007-6-16 14150 Plumas On the bottom of a small stream, about 200 yards south of County Road 111 (Beckwourth Genesee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  CAS-BOT-BC157375  Horkelia fusca C. R. Quick 1950-6-18 50 -08 Plumas 1 mile W of Almanor Inn, on S shore of Lake Almanor Comment
  SEINET6759269  Horkelia fusca subsp. tenella A. A. Heller, P. B. Kennedy 1907-7-9 8779 Plumas Prattville Comment
  CAS-BOT-BC514267  Horkelia fusca var. pseudocapitata David D. Keck; A. Gustafsson 1938-8-9 4904 Plumas 3 mi S of Beckwith, Sierra Valley, on road to Loyalton 1490 Comment
  CAS-BOT-BC143988  Horkelia fusca var. tenella G. K. Helmkamp; Elizabeth Helmkamp 2001-7-7 6861 Plumas Sierra Nevada Mountains: CA-89, 2.3 mi SSE of its junction with CA-26 (Lake Almanor Region) 1357 Comment
  SEINET6768103  Horkelia tridentata subsp. flavescens P. A. Lehenbauer 1937-5-30 s.n. Plumas Sierra Nevada; Reno-Feather River Hwy, 60 miles from Reno, Layman Camp, along river. Comment
  CAS-BOT-BC538232  Horkelia tridentata var. flavescens Ella Dales Cantelow 1938-7-3 4319 Plumas 4.3 miles N. of Almanor Inn Comment
  CHSC54320  Hosackia crassifolia var. crassifolia Vernon H. Oswald; Lowell Ahart 1991-6-18 4679 Plumas Forest Rd 28N38, 3.4 miles east-northwest of its junction with County Rd 201 (Old Haun Rd), ca. 4 miles (air) north of Greenville. 1609 Comment
  CHSC21550  Hosackia oblongifolia var. oblongifolia L. M. Mayer; D. E. Brink Jr. 1975-7-2 428 Plumas Bucks Lake Floristic Survey. Comment
  UCD106185  Hosackia stipularis L. Ahart 1982-7-30 3734 Plumas Near the headwaters of Ohio Ravine, ca. 1 mi. ne of Hardquartz Mine, ca. 6 mi s of Bucks Lake. 1700 Comment
  CHSC94917  Hydrophyllum capitatum var. alpinum L. P. Janeway; B. Castro 2006-6-3 8656 Plumas Northern High Sierra Nevada. West side of lower Thompson Valley 1.6 km north of the mouth of McReynolds Creek at Red Clover Creek. 1673 Comment
  CHSC113879  Hypericum anagalloides Lowell Ahart 2014-8-26 19782 Plumas On both sides of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. 1533 Comment
  NY547116  Hypericum anagalloides Mrs. Ames 1876-1 s.n. Plumas Comment
  UCD63698  Hypericum anagalloides Daniel Sanchez-Mata; Tomas Santamaria 2006-7-8 s.n. Plumas Quincy. Plumas National Forest. Blackhawk Road. Butterfly Valley Botanical Area. Sweetwater Marsh. 1160 Comment
  CHSC54479  Hypericum formosum var. scouleri Vernon H. Oswald; Lowell Ahart 1991-7-30 4779 Plumas Humbug Rd at Grizzly Creek, 5.2 miles (odometer) northeast of Humbug Summit (between Humbug Summit and Humbug Valley). Common on a marshy slope bordering the creek. 1777 Comment
  JEPS66825  Hypericum formosum var. scouleri R. H. Platt 1891-1 Plumas near Big Meadows; the Sierras Comment
  UCD110399  Hypericum perforatum subsp. perforatum Louis C. Wheeler 1959-7-16 7582 Plumas Quincy. Comment
  UC2058705  Hypochaeris glabra Tom Reyes, Martin Hutten, Heather Smith 2014-4-22 107 Plumas Terminal Geyser Comment
  CDA15897  Ipomopsis aggregata subsp. aggregata B. Smith, G. F. Hrusa 1996-7-16 s.n. Plumas Plumas National Forest; Headwaters of Bull Run Creek off USFS 23N12E. Comment
  RSA101391  Ipomopsis aggregata subsp. formosissima R. Weatherby 1955-7-21 1653 Plumas Ridge between Bottle Springs and Bear Creek, Middle Fork Feather River. 1768 Comment
  CAS-BOT-BC135734  Iris hartwegii Mrs. H. C. Cantelow 1941-5-22 s.n. Plumas 5 1/2 miles north of Quincy, Hy 89 Comment
  CAS-BOT-BC135737  Iris hartwegii L. W. Lenz; E. K. Balls 1956-6-19 21842 Plumas Forest Lodge, SW of Greenville 1127 Comment
  CAS-BOT-BC135743  Iris hartwegii M. S. Taylor 1982-5-27 4543 A Plumas Under pines on e side of Dixie Canyon rd (204), 0.5 mi n of its jct with Hwy 89 at Maccasin. 1158 Comment
  SEINET10899987  Iris hartwegii subsp. pinetorum Douglas G. LeDoux, Katherine L. Morris; David B. Dunn 1973-6-5 LeDoux 1078 Plumas Collected on s side of greenville on n-facing slope. Douglas-fir forest on Small side road Comment
  CAS-BOT-BC123366  Iris pinetorum Alice Eastwood 1927-6-11 14454 Plumas Forest Lodge near Greenville Comment
  UC1174773  Iris tenuissima subsp. purdyiformis L. W. Lenz and E. K. Balls 1955-5-13 20699 Plumas between Tobin and Camp Rogers (along U.S. Hwy 40) 609 Comment
  CAS-BOT-BC137400  Ivesia aperta John Thomas Howell 1962-6-18 37796 Plumas Sierra Valley near ca. 2 mi. s. Beckwourth 1487 Comment
  CHSC48050  Ivesia aperta var. aperta L. P. Janeway 1989-6-15 3314 Plumas Plumas National Forest. NW corner of Sierra Valley near Middle Fk Feather River; 0.2 mi W of rd to Calpine (rd 109) and ca 100 m S of railroad, between dirtroad and fence. 1487 Comment
  JEPS98260  Ivesia gordonii Catie Bishop 2001-6-28 Plumas Red Mountain, 3 mi S of Bucks Lake, ridge 0.2 mi SE of Red Mt. Peak Comment
  CHSC88601  Ivesia sericoleuca L. Hanson 1986-7-2 279 Plumas Plumas National Forest. Sierra Valley. 1524 Comment
  JEPS47187  Ivesia sericoleuca W. L. Jepson 1939-8-16 19432 Plumas Portola Comment
  UC638722  Ivesia sericoleuca Ethel Crum 1937-8-6 1944 Plumas 1 mi ssw Beckwith; Sierra Valley 1493 Comment
  UC1561778  Ivesia webberi C. Witham and Kareofelas 1990-5-24 146 Plumas 1 mi due e intersection of Hwy. 49 and Dyson Rd. (e side of Sierra Valley); Sierra Valley 1524 Comment
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Apr 8 2006
  CHSC28166  Juncus balticus J. D. Jokerst 1979-6-23 282 Plumas In first meadow S. of Meadow Valley Cr. and E. of Forest Service rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  UC1100935  Juncus balticus Malcolm A. Nobs and S. Galen Smith 1949-8-19 1460 Plumas se side Portola Comment
  SJSU14301  Juncus bryoides N. A. Hopkins 1989-5-24 1499 .5 Plumas by Loyalton-Beckwourth Rd near Marble Hot Springs Rd 1524 Comment
  CHSC118722  Juncus bufonius Wendy L. Boes 2015-6-14 2015002 Plumas Lassen National Forest. Location to the east of Little Grizzly Valley, south of junction of Forest Service road 27N37 and 27N37B, 1 mi. south of Road 307. UTM 646739 E, 4438812 N, NAD83 Zone 10N. 1645 Comment
  JEPS107941  Juncus confusus Lowell Ahart, Josephine Guardino 2005-8-9 12296 Plumas On the east side of Fant Creek, along the dirt road, about 50 yards northwest of the cabin (destroyed) and corral, north of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1597 Comment
  JEPS110199  Juncus confusus Lowell Ahart, Josephine Guardino 2005-8-9 12265 Plumas In a small meadow and near a small drainage, between Lights Creek and Fant Creek, west of Forest Road 27N09, about 6 miles (air) northwest of the Boulder Creek Work Center at Antelope Lake 1635 Comment
  CHSC108041  Juncus covillei L. P. Janeway 2011-9-22 10739 Plumas Northern High Sierra Nevada. Plumas National Forest; a series of shallow ponds in Secret Diggings, 2.3 km south of La Porte. Common where bank is steeper, just above water line. 1468 Comment
  JEPS120102  Juncus dudleyi Lowell Ahart 2012-7-1 18256 Plumas On the west edge of Caribou Road, about 20 yards south of stream, about 4 miles (air) northeast of Belden. Comment
  SD147655  Juncus effusus subsp. effusus Lowell Ahart 1980-10-6 2665 Plumas Sierra Nevada, lake, I(c) mile west of Fowler Park, Red Fir forest. 1700 Comment
  JEPS114883  Juncus effusus subsp. pacificus Lowell Ahart 2008-8-13 15159 Plumas West edge of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  CDA34147  Juncus effusus var. exiguus L. Ahart, J. Dittes 2009-7-15 16081 Plumas On the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butte Valley Reservoir Dam. Comment
  CHSC65856  Juncus ensifolius L. P. Janeway 1995-10-25 4951 Plumas Lakes Basin. Southwest end of Lakes Basin Campground, southeast side of Grass Lake. 1920 Comment
  CHSC84238  Juncus ensifolius Lowell Ahart 2003-7-18 10422 Plumas On the sides of a drainage in a meadow, on the north side of the road, about 1/4 mile west of Lumpkin Ridge Road, about 1 1/2 miles southeast of Tamarack Flat, about 1 1/2 miles (air) northwest of Little Grass Valley Reservoir dam, about 4 1/2 miles (air) northwest of La Porte. 1709 Comment
  CHSC108107  Juncus exiguus Lowell Ahart 2011-9-17 17667 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  JEPS103528  Juncus hemiendytus var. hemiendytus Lowell Ahart 2002-6-17 9722 Plumas In a meadow, on the N side of the road, ca 1/8 mile W of Lumpkin Ridge Road, ca 1 1/2 miles SE of Tamarack Flat, ca 1 1/2 miles (air) NW of Little Grass Valley Reservoir dam, ca 4 1/2 miles (air) NW of La Porte. 1651 Comment
  CHSC100031  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC102838  Juncus howellii Lowell Ahart; John Dittes 2009-8-28 16355 Plumas On the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  JEPS114813  Juncus howellii Lowell Ahart 2008-8-13 15164 Plumas East of La Porte Road, west bank of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  RSA0035817  Juncus howellii Lowell A. Ahart 2008-9-10 15374 Plumas South edge of Onion Valley, about 3/4 mile northwest of Pilot Peak, about 1/2 mile east of the Quincy La Porte Road, about 9 1/2 miles (air) northeast of La Porte. 1916 Comment
  JEPS114940  Juncus macrandrus Lowell Ahart 2008-8-14 15213 Plumas Meadow (swamp, bog), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 41/2 miles (air) north of La Porte 1597 Comment
  RSA29854  Juncus mexicanus J. T. Howell 1951-6-27 27570 Plumas Johnsville; Sierra Nevada 1585 Comment
  CDA13976  Juncus nevadensis G. F. Hrusa 1996-8-2 13440 Plumas Sierra Nevada; SW base of ridge between Argentine & Taylor Rocks, 1 mi. NW of Argentine Rock. . Comment
  CHSC65523  Juncus nevadensis L. P. Janeway 1995-9-18 4931 Plumas 0.8 mi southeast of the southern tip of Crocker Mountain; at spring along Road 24N06 about halfway between Crocker Meadow and Big Grizzly Creek. 1865 Comment
  CHSC65857  Juncus nevadensis L. P. Janeway 1995-10-25 4943 Plumas Lakes Basin. 0.3 mi north-northeast of Lakes Basin Campground; on east side of Gold Lake Hwy opposite the entrance to the campground. 1923 Comment
  JEPS95626  Juncus nevadensis Lowell Ahart 1994-7-28 7533 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  JEPS113837  Juncus nevadensis var. nevadensis Lowell Ahart, John Dittes, Josephine Guardino 2007-8-10 14482 Plumas About 10 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis 1773 Comment
  JEPS114886  Juncus nevadensis var. nevadensis Lowell Ahart 2008-8-13 15158 Plumas North edge of La Porte Road, north of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte 1613 Comment
  JEPS110160  Juncus occidentalis Lowell Ahart 2006-7-9 12924 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  CHSC51244  Juncus orthophyllus Lowell Ahart 1979-7-18 1979 Plumas On the east sidef of Quincy La Porte Road, just before it crosses Onion Valley Creek, about 1 mile northwest of Pilot Peak, about 12 miles north of La Porte. 1828 Comment
  JEPS95708  Juncus orthophyllus Lowell Ahart 1995-9-13 7629 Plumas on the north side of Onion Valley; east of Quincy La Porte Road; about 1 mile north-west of Pilot Peak 1828 Comment
  CHSC60563  Juncus parryi L. P. Janeway 1984-7-27 934 Plumas Lakes Basin; near Grassy Lake. 1920 Comment
  HSC100816  Juncus tenuis Lowell Ahart, John Dittes 2009-7-13 16034 Plumas W side of Forest Service Rd. 27N98, headwater of Clear Creek, 2 (air) mi. N of Butt Valley Reservoir Dam, 3 (air) mi. SW of Lake Almanor Reservoir Dam. 1477 Comment
  CHSC53025  Juniperus occidentalis subsp. australis L. P. Janeway 1989-6-23 3389 Plumas Upper slope overlooking Crocker Mdw from the east. Beckwourth Ranger District. 1874 Comment
  SEINET10925483  Juniperus occidentalis subsp. australis Mary Susan Taylor 1981-8-18 Taylor 4213 Plumas T23N R15E se1/4 sec 10. Reconnaissance Peak quad. Bald Rock Improvement Project, ca 1 mile sw of Bald Rock, ca 5 miles ne of Beckwourth. Associates: Wyethia mollis, Purshia tridentata, Pinus jeffreyi, Stipa speciosa. Herbarium of California State University, Chico. Comment
  UCD117475  Kalmia polifolia Lynn J. Gillespie 1982-5-23 s.n. Plumas ca. 3.5 miles northeast of Spanish Road, ca. 100 miles north of Snake Lake. 1219 Comment
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Mar 30 2016
  UC1035980  Keckiella breviflora Helen K. Sharsmith 1955-6-28 4526 Plumas near Pulga; East Branch of North Fork of Feather River 609 Comment
  RSA71286  Keckiella breviflora subsp. glabrisepala L. S. Rose 1951-6-24 51080 Plumas Feather River canyon, near Rock Creek. 550 Comment
  CAS-BOT-BC246159  Keckiella lemmonii David D. Keck 1932-7-6 1712 Plumas 3 mi. N of Keddie 1036 Comment
  CAS-BOT-BC246162  Keckiella lemmonii Clarence R. Quick 1934-7-4 1349 Plumas Headwaters of Clear Creek, Plumas National Forest Comment
  HSC93429  Keckiella lemmonii Vernon H. Oswald, L. Ahart 1996-8-14 8164 Plumas Silver Lake Rd., 0.5 mi. SE of Silver Lake Campground, NE of Bucks Lake, N High Sierra Nevada 1707 Comment
  CDA11938  Kelloggia galioides G. F. Hrusa, J. Dinsdale 1989-6-27 7203 Plumas Sierra Nevada; NW end of Bucks Lake. Comment
  CHSC33738  Kelloggia galioides M. S. Taylor; M. Foster 1981-7-14 4013 Plumas Saddle at ehad of Bullfrog Ravine, on both sides of 26N18, ca. 3 air mi NW of Indian Falls. 1645 Comment
  JEPS115162  Kelloggia galioides Lowell Ahart, John Dittes 2009-7-15 16083 Plumas On dry rocky soil, near a small wash, on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam 1702 Comment
  SJSU11547  Kelloggia galioides J. W. Tilden 1958-6-29 1307 Plumas SW shore, L Almanor 1828 Comment
  CHSC108048  Kyhosia bolanderi L. P. Janeway; B. Castro 2011-10-2 10754 Plumas Northern High Sierra Nevada. North side of Little Grass Valley Reservoir about 5.8 air km north of La Porte; southeast edge of a knoll that trends southward to the lake; about 5010 m above high water line. 1542 Comment
  JEPS115876  Kyhosia bolanderi Lowell Ahart, John Dittes 2009-8-28 16352 Plumas On damp to wet soil, seep, on the north side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam 1476 Comment
  RSA59676  Kyhosia bolanderi E. K. Balls 1950-9-9 15744 Plumas West of Lakes Center Public Campground. Southern Plumas County. 2043 Comment
  JEPS88488  Lactuca canadensis Vernon H. Oswald and Lowell Ahart 1996-8-1 8136 Plumas Old Haun Rd. (Forest Rt. 201) ca. 0.9 mi w Hauns Mdw. (s slope of mt., at wet meadowy drainage, sse of Dyer Mtn. Lookout, n of Hwy 89, e of Lake Almanor); Dyer Mtn. 1463 Comment
  SEINET10839262  Lactuca saligna Mary Susan Taylor 1982-9-7 Taylor 5097 Plumas T23N R14E s/ne sec 28. Portola quad. Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth. 4880 ft. Dry sandy soil; open Riparian. 1487 Comment
  CHSC110383  Lactuca serriola Lowell Ahart 2012-9-5 18449 Plumas Road edge, where the County Road crosses the South Fork of the Feather River, about 1 mile (air) southeast of Pilot Peak, about 8-1/4 miles (air) northwest of La Porte. 1828 Comment
  CHSC84421  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the north side of the road, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 3 1/2 miles (air) northwest of Tamarack Flat, about 6 miles (air) northwest of Little Grass Valley Reservoir Dam. 1524 Comment
  JEPS104114  Lactuca serriola Lowell Ahart 2003-9-7 10558 Plumas Near a seep and spring on the n side of the road, on Hartman Bar Ridge, ca 1 mi (air) sw of Franklin Hill, ca 3 1/2 mi (air) nw of Tamarack Flat, ca 6 mi (air) nw of Little Grass Valley Reservoir Dam. 1524 Comment
  CAS-BOT-BC341567  Lagophylla ramosissima Janet Jones 1980-7-14 196 Plumas Around Layman near Blairsden, Plumas National Forest 1280 Comment
  CAS-BOT-BC341578  Lagophylla ramosissima David D. Keck 1932-7-3 1618 Plumas North of Spanish Creek. Quincy, in the Northern Sierra Nevada 1065 Comment
  UC81787  Lathyrus brownii Mrs. R. M. Austin Jul 1878 39 Plumas Big Meadows Comment
  SD46424  Lathyrus jepsonii var. californicus Robert J. Weatherby 1950-7-7 1464 Plumas Quincy, stream near Snake Lake, in semi-shade on moist stream bank & bed 1219 Comment
  CHSC33770  Lathyrus latifolius Nancy Mosman 1971-7-11 72 Plumas Along E side of Hwy 70 ca. 1.3 mi S of Beldon turnoff. 1025 Comment
  CAS-BOT-BC527250  Lemna John Thomas Howell 1977-8-11 52689 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir, Sierra Nevada 1706 Comment
  SEINET10465998  Lemna minor Mary Susan Taylor 1981-8-5 Taylor 4167 Plumas 1069 Comment
  CHSC34879  Lemna minuta M. S. Taylor 1981-7-13 4003 Plumas At spring, s side of spur rd, ca. 1/2 mi n of Lookout Creek, ca. 1 mi w of 28N11, ca. 1.5 mi nw of n tip of Frenchman Lake, ca. 15 air mi n of Chilcoot. 1920 Comment
  CHSC97266  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2007-8-10 14480 A Plumas About 30 yards southwest of Beckwourth Gensee Road, about 2 miles (air) north of the north end of Lake Davis. 1773 Comment
  CAS-BOT-BC534928  Lemna minuta Malcolm A. Nobs; S. Galen Smith 1949-8-19 1420 Plumas About 2 miles south of Greenville, Indian Valley. Comment
  CAS-BOT-BC527311  Lemna trisulca L. P. Janeway; Garrett Gibson 1991-7-21 4083 Plumas North side of Freeman Creek ca 1/2 mile southwest of Lake Davis, Plumas National Forest, Bechwourth Ranger District 1767 Comment
  CAS-BOT-BC88839  Lepidium campestre John Thomas Howell 1976-7-16 51901 Plumas Sierra Nevada. Spanish Creek at mouth of Wapaunsie Creek. 1097 Comment
  CHSC20782  Lepidium campestre K. R. Stern 1975-7-24 5853 Plumas E shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC88868  Lepidium chalepense W. Harnach; N. Harnach 1989-5-22 115 Plumas Sierra Valley. East side of Co. road A-23 in road ditch. 1490 Comment
  SEINET5341389  Lepidium latifolium W. Harnach, N. Harnach 2000-8-23 993 Plumas Sierra Valley, 1/4 mile west of the intersection of Hwy 49 on Dyson Lane 1494 Comment
  SEINET11280982  Lepidium perfoliatum W. Harnach, N. Harnach 1989-6-17 148 Plumas Sierra Valley, Marble Lane, 200 feet W of the steel bridge. 1487 Comment
  CHSC4698  Lepidium virginicum var. pubescens R. Carter 1966-7-10 473 Plumas Found at intersection of Hwy. 70 and Hwy. 89 ca. 12 mi. N of Quincy, 100 yds. W along S side Hwy. 70, roadside. 853 Comment
  UCD19162  Leptosiphon ambiguus June McCaskill 1956-1 424 Plumas Lake Almanor region? Comment
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Jul 13 2018
  CHSC33615  Leptosiphon ciliatus M. S. Taylor 1981-6-16 3908 Plumas NW side of rd 24N07, ca. 1 mi nw of Smith Peak lookout, ca. 7 mi ne of Blairsden. 2072 Comment
  SEINET10546607  Leucophysalis nana Mary Susan Taylor 1982-6-12 Taylor 4645 Plumas T28N R8E nw/se sec 4. Chester quad. Meadow on n side of Hwy 36, ca. 1 mi w of Plumas-Lassen county line, e of Chester. 5000 ft. 1524 Comment
  SEINET6170677  Leucophysalis nana A. A. Heller, P. B. Kennedy 1907-7-16 8875 Plumas Red Clover valley near Red Clover House. Comment
  CAS-BOT-BC59608  Leucothoe davisiae E. K. Balls 1950-9-5 15681 Plumas Thomspson Creek, along trail to Little Volcano. 1402 Comment
  CHSC82355  Leucothoe davisiae Lowell Ahart 2002-7-6 9842 Plumas On the south side of the dirt road and south of the large meadow, on Rock Island Ridge, about 3/4 mile southeast of Soapstone Hill and the Oroville Quincy Highway, about 1 1/2 miles (air) northeast of Four Trees. 1611 Comment
  UCD15872  Lewisia cantelovii K. Mawdsley; M. Simpson 1998-6-28 46 Plumas Lassen National Forest, north from Hwy 70 on Forest Service road just east of Howell's Bridge over N Fork of Feather River. Ca. 300 yds along Forest Service road. 800 Comment
  JEPS127330  Lewisia nevadensis Lowell Ahart 2016-6-29 21055 Plumas About 1/2 mile southeast o Table Mountain, about 1 1/2 miles (air) northwest of Tamarack Flat, about 3 1/2 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  CHSC21183  Lewisia triphylla F. T. Griggs; A. Pass 1975-7-16 195 Plumas N shore of Lower Buck's Lake. Comment
  HSC100758  Lewisia triphylla L. P. Janeway 2011-7-6 10496 Plumas Plumas National Forest, W edge of top of Goat Mountain, 0.7 km SE of the SE side of Little Grass Valley Reservoir; 4.2 air km NNE of La Porte. 525 Comment
  UC931968  Lewisia triphylla Verne Grant, Alva Grant 1948-6-13 8580 Plumas 1 mi on Oroville Road Cascade; Lava Cap 1371 Comment
  CAS-BOT-BC451589  Lilaea scilloides John Thomas Howell 1963-6-4 39406 Plumas Marble Hot Springs, Sierra Valley Comment
  CAS-BOT-BC508261  Lilium columbianum J. M. Tucker 1948-7-24 1726 Plumas Boggy area near road from Cascade to Camel Peak 1615 Comment
  CAS-BOT-BC509330  Lilium kelleyanum Alice Eastwood 1930-6-1 14565 Plumas United States Forest Reserve, Forest Lodge, Greenville Comment
  CAS-BOT-BC509339  Lilium kelleyanum Mrs. E. C. Sutliffe 1920-9-1 s.n. Plumas Salmon Lake Comment
  CAS-BOT-BC509341  Lilium kelleyanum Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC509345  Lilium kelleyanum Joseph Andorfer Ewan 1934-6-25 8220 Plumas Gold Lake Road above Deuters (Blairsden) 1524 Comment
  UC119794  Lilium parvum R. M. Austin Jul 1878 293 Plumas Big Meadows Comment
  CAS-BOT-BC508465  Lilium parvum E. K. Balls 1954-8-11 19764 Plumas Lakes Center Public Campground Comment
  UCD139759  Lilium washingtonianum J. M. Tucker 1948-7-24 1728 Plumas ca. 1/2 mile northeast of Camel Peak. 1615 Comment
  CHSC40653  Limosella aquatica Lowell Ahart 1985-9-26 5171 Plumas Below the high water line of Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles north-west of La Porte. 1584 Comment
  JEPS102829  Limosella aquatica Lowell Ahart 2001-8-29 9228 Plumas On the bottom of Little Last Chance Creek, on the strand of Frenchman Lake. 1700 Comment
  SEINET3163742  Linanthus ciliatus L. S. Rose 1939-6-8 39268 Plumas S. end of Lake Almanor 1372 Comment
  UC485788  Linanthus ciliatus H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  SEINET8729337 Image available Linanthus filipes Helen K. Sharsmith 1955-1 4520 Plumas East Branch of North Fork of Feather River, near Virgilia. Comment
  CDA19243  Linanthus harknessii G. D. Barbe, T. C. Fuller 1982-6-17 3820 Plumas Plumas National Forest; South shore of Frenchman Reservoir (Lake), 0.4 mi E of Frenchman Dam. 1706 Comment
  CHSC94978  Lindernia dubia var. dubia Lowell Ahart 2006-10-8 13393 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather River, about 1 1/4 miles southwest of Belden. 715 Comment
  POM174011  Listera convallarioides J. G. Lemmon s.n. Plumas Butterfly Valley Comment
  CAS-BOT-BC36580  Lithocarpus densiflorus var. echinoides Anna Head 1920-6-5 s.n. Plumas Camp Rodgers, Feather River region 701 Comment
  SEINET10483004  Lithophragma Mary Susan Taylor 1982-5-6 Taylor 4411 Plumas T24N R8E se/sw sec 13. Bucks Lake NE quad. On wet clayey serpentine ridge, ca. 3/4 mi ne of 24N29, ca. l mi e of Meadow Valley. 3800 ft. 146 Comment
  CAS-BOT-BC432299  Lithophragma campanulatum Alice Eastwood 1927-6-12 14524 Plumas Forest Lodge Greenville, United States Forest Reserve Comment
  CAS-BOT-BC435464  Lithophragma glabrum Alice Eastwood 1918-5-25 6997 Plumas Portola Comment
  CAS-BOT-BC435467  Lithophragma glabrum Robert J. Weatherby 1950-5-31 1439 Plumas Lake Almanor 1417 Comment
  SEINET6032566  Lithophragma glabrum C. G. Gulling 1905-1 s.n. Plumas Sierra Valley Comment
  CHSC53135  Lithospermum californicum Debbie Bliss 1990-8-14 Plumas Plumas National Forest. Southerly facing slope between the SE end of Lake Davis and the SW end of Crocker Mtn. 1874 Comment
  CAS-BOT-BC317308  Lithospermum californicum Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas Road to Meadow Valley, about 8 miles W of Quincy. 1173 Comment
  UC1063986  Lithospermum ruderale C. W. Hanks 1934-8-6 1 Plumas Upper Sierra Valley Sierraville; Sec. 18 1554 Comment
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Mar 14 2014
  UC1063987  Lithospermum ruderale E. Sawyer 1935-6-27 175 Plumas 3.7 mi n Hawks; Sierraville; Sec. 14 1676 Comment
  CHSC35937  Lomatium dissectum var. multifidum M. S. Taylor 1982-5-17 4465 Plumas N side of 22N55, near its jct with 22N54 and 22N88, ca. 2 mi se of Portola on the ridges below Beckwourth Peak. 1706 Comment
  UC1776681  Lomatium hendersonii G. Schoolcraft 1997-5-18 2591 Plumas Top of Dimond Mtns. Farthest peak E on main ridge 2255 Comment
  UCR51780  Lomatium nudicaule David D. Keck 1932-7-4 1711 Plumas Northern Sierra Nevada, Quincy: mouth of water supply canyon to the left hand, just south of town 1065 Comment
  SEINET7880164 Image available Lomatium nudicaule E. Sawyer 1935-1 52 Plumas 1 3/4 miles N.E. of Hawks Sec. 25 T. 23N. R. 13E. 1585 Comment
  UC1730233  Lomatium plummerae L. P. Janeway and Glenn Clifton 1998-7-8 5725 Plumas 1.5 mi SW of Diamond Mountain (at junction of Diamond Mountain Motorway (Road 28N15) and unnamed road to small pond on a saddle on the crest) 2115 Comment
  CAS-BOT-BC123125  Lomatium plummerae var. helleri Amos Arthur Heller 1913-6-13 10838 Plumas Near Marston Station 1066 Comment
  UCD40291  Lonicera Rodney Gale Myatt 1971-6-13 756 a Plumas 1 mile below Layman Road, north of Ouincy, and on the north side of Hwy 70. 1036 Comment
  CHSC108466  Lonicera conjugialis Lowell Ahart 2011-9-17 17625 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  CHSC88608  Lonicera conjugialis B. Elliott 2002-6-8 11602 Plumas Plumas National Forest. 1615 Comment
  SD46666  Lonicera involucrata Robert J. Weatherby 1955-6-26 1557 Plumas Near Lakes Ranger Station, Lakes Basin. 1980 Comment
  JEPS114409  Lonicera involucrata var. involucrata Lowell Ahart 2008-7-16 15103 Plumas Along a stream in a small meadow (swamp), about 100 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte 1597 Comment
  UCD19148  Lotus June McCaskill 1956-6-6 458 Plumas Lake Almanor region. Comment
  CDA34142  Lotus corniculatus L. Ahart, J. Dittes 2009-7-14 16077 Plumas on the east side if Forest Service Road 26N22 and Forest Service Road 26N221, about 2.6 miles (air) southeast of Seneca, about 6.5 miles (air) south of Lake Almanor Reservoir Dam. Comment
  CDA28710  Lotus oblongifolius G. D. Barbe 1981-6-23 3121 Plumas South shore of Round Valley Reservoir. 1 mi W of dam on Dixie Canyon-Round Valley Rd. Comment
  RSA186425  Lotus oblongifolius var. nevadensis D. D. Keck 1932-7-3 1710 Plumas Quincy Comment
  CDA14701  Lotus purshianus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-24 3191 Plumas Mt. Hough-Crystal Lake Road at junction of Howells Road to Tollgate Creek, 2.5 miles northeast of Quincy Junction. 1280 Comment
  UC207663  Lotus purshianus var. purshianus H. M. Hall 1912-8-5 9387 Plumas Marston Sierra Nevada Mountains Comment
  UC862209  Lotus purshianus var. purshianus A. A. Heller 1938-7-2 15242 Plumas near Grays Flat (along the Feather River Highway) 868 Comment
  UCD107090  Ludwigia palustris G. F. Hrusa 1992-10-8 10500 Plumas Middle of Smith Lake, ca. 2 m. from Snake Lake near Quincy. Comment
  RSA517181  Ludwigia palustris var. americana J. T. Howell 1961-9-23 36845 Plumas Indian Valley; Sierra Nevada 1082 Comment
  RSA239225  Ludwigia palustris var. pacifica Robert F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42319 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  RSA666088  Lunaria annua Rudolf Schmid 2002-4-12 2002 -2 Plumas Belden (Hwy 70). 718 Comment
  SD254614  Lupinus adsurgens Daisie Huang 2006-8-11 6081106 Plumas Quincy-La Porte Rd. 1257 Comment
  UCR123904  Lupinus adsurgens George K. Helmkamp, E. A. Helmkamp 2001-7-6 6858 Plumas Sierra Nevada Mountains, Calif. Hwy 89, ESE of Lake Almanor at Crescent Mills 976 Comment
  UC942948  Lupinus albicaulis Lewis S. Rose 1951-6-28 51048 Plumas N of Johnsville ( above Eureka Lake) 2072 Comment
  RSA430408  Lupinus albicaulis subsp. wolfianus M. L. Conrad, LeDoux, Kenney 1973-6-5 7050 Plumas Plumas National Forest of Hwy. 70. 1067 Comment
  CDA27355  Lupinus albicaulis var. shastensis G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3084 Plumas East of Lariat Motel, East Quincy. Comment
  CHSC21662  Lupinus apertus Brink; Mayer 1975-7-11 Plumas Buck's Lake Forest Service Survey. Comment
  JEPS106190  Lupinus apertus Lowell Ahart, Josephine Guardino 2004-5-24 10944 Plumas About 300 yards south of a good dirt forest road, about 1/2 mile west of Squirrel Creek, about 1/10 mile north of the railroad, Greenhorn Creek, and Highway 70, about 7 miles (air) southeast of Quincy 1204 Comment
  CHSC82500  Lupinus arbustus Lowell Ahart 2002-6-26 9784 Plumas On the west side of the poor road, about 1/2 mile south of the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) northwest of Little Grass Valley Reservoir dam, about 4 miles (air) northwest of La Porte. 1796 Comment
  JEPS85929  Lupinus arbustus L. P. Janeway 1990-6-8 3707 Plumas along rd 23N12 ca 0.8 mi n of jct with rd 23N51 (Little Long Valley, e facing side of canyon, Beckwourth Ranger District); Plumas National Forest, Mt. Ingalls Quad. 1722 Comment
  UC1129535  Lupinus arbustus F. W. Embree 1934-6-6 91 Plumas Three Lakes Plumas National Forest, Bidwell Bar Quadrangle Comment
  SJSU14722  Lupinus arbustus N. A. Hopkins 1991-6-28 1692 Plumas between Medford fork & Doyles Crossing on rd fronm Red Clover Valley to Janesville 1524 Comment
  RSA638998  Lupinus arbustus subsp. silvicola Michael A. Vincent 1999-6-8 8556 Plumas Plumas Natl Forest, Milford Ranger District, along FS 26N17 just north of FS 26N40. Comment
  SEINET10484737  Lupinus arbustus subsp. silvicola Mary Susan Taylor 1982-6-21 Taylor 4710 Plumas T23n,r11e,sec.19 sw 1/4 nw 1/4. Blue nose mountain quad. Corolla blue; strong Lilac odor. Open disturbed slope ca 10 ft n of eureka ridge road (23n09.1), ca 0.5 Miel ne of white cap, ca 3 air miles sw of sloat. With l. Dalesae. Cryptantha affinis 1768 Comment
  UC174571  Lupinus argenteus A. A. Heller with P. B. Kennedy 1907-7-3 8740 Plumas Hills above Red Clover Valley. Comment
  CHSC60089  Lupinus argenteus var. argenteus L. P. Janeway 1990-7-18 3803 Plumas Plumas National Forest. Near Emigrant Cr 1/4 mi N of the crest of Grizzly Ridge. 2103 Comment
  CAS-BOT-BC208843  Lupinus argenteus var. meionanthus A. A. Heller; B. B. Kennedy 1907-7-16 8864 Plumas Genessee Valley near Genessee Comment
  SEINET10874089  Lupinus breweri Mary Susan Taylor 1982-6-1 Taylor 4578 Plumas T26N R9E se/sw sec 6. Almanor NE quad. On n edge of 27N39 spur rd off 26N18, Long Valley Mine area, ca. 4 air mi w of Greenville. 5000 ft. 1524 Comment
  CAS-BOT-BC196678  Lupinus breweri var. breweri Clare B. Hardham 1961-6-15 7402 Plumas Graeagle Comment
  SEINET10452631  Lupinus caudatus Mary Susan Taylor 1982-6-10 Taylor 4620 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  SEINET10485161  Lupinus confertus Mary Susan Taylor 1982-6-13 Taylor 4825 Plumas T26n, r9e, se1/4nw1/4 sec 22. Almanor se quad. Corolla pale blue. Bellas Flat on s side of round valley reservoir, ca 3 air mi. S of greenville. Dry Flat cobbly drainage in montane coniferous forest. With monardella Odoratissima glauca. 1372 Comment
  SEINET10937071  Lupinus confertus William E. Harmon 1969-8-18 Harmon 1563 Plumas Portola, 2 mi. W roadside in jeffrey pine forest. Comment
  CAS-BOT-BC215359  Lupinus dalesiae M. S. Taylor 1982-6-24 4752 Plumas Roadbank, N side of ridge at entrance to Gansner Park from Highway 70, Quincy 1066 Comment
  CAS-BOT-BC215396  Lupinus dalesiae Robert J. Weatherby 1955-7-26 1660 Plumas Spanish Peak, near Meadow Valley 2164 Comment
  CAS-BOT-BC215403  Lupinus dalesiae Charles Piper Smith 1947-5-22 47338 Plumas In town, Meadow Valley Comment
  CAS-BOT-BC215411  Lupinus dalesiae Lowell Ahart 1983-7-14 4193 Plumas S Fork of the Feather River, S of the Feather Fork Mine, about 1.5 miles NE of Little Grass Valley Res., about 5.5 miles N of La Porte 1750 Comment
  CAS-BOT-BC215415  Lupinus dalesiae Mrs. H. C. Cantelow 1941-5-21 s.n. Plumas Meadow Valley, about 8 miles W of Quincy 1173 Comment
  CAS-BOT-BC215421  Lupinus dalesiae Walter & Irja Knight 1968-6-18 2334 Plumas Road between La Porte and Quincy 1859 Comment
  CAS-BOT-BC215425  Lupinus dalesiae E. K. Balls; L. W. Lenz 1956-6-20 21844 Plumas 2 miles SE of Spring Garden, US Highway, Quincy to Portola 1249 Comment
  CHSC35910  Lupinus dalesiae M. S. Taylor 1982-6-16 4684 Plumas N side of 24N13, ca. 0.1 mi e of its jct with Willow Creek Rd (23N13), ca. 4 air mi se of Quincy. 1584 Comment
  CHSC35912  Lupinus dalesiae M. S. Taylor 1982-6-17 4689 Plumas S side of 23N44Y, 0.2-0.3 mi w of its jct with Bell Bar Creek Rd (23N50Y), ca. 2 air mi sw of Sloat. 1493 Comment
  CHSC37524  Lupinus dalesiae M. S. Taylor 1982-8-23 5040 Plumas On s side of Virgilia-Meadow Valley Rd (25N17), 0.3 and 1.0 mi w of its jct with Hambly Ravine turnoff (25N20), ca. 1/2 air mi s of Virgilia. 1158 Comment
  RSA104638  Lupinus dalesiae Joseph Clemens 1920-6-3 s.n. Plumas Greenville Comment
  RSA109812  Lupinus dalesiae E. K. Balls, L. W. Lenz 1956-6-20 21844 Plumas 2 miles SE of Spring Garden, US Hwy, Quincy to Portola. 1250 Comment
  UC1502135  Lupinus dalesiae M. S. Taylor 1982-6-1 4575 Plumas n side of Hwy 70 ca 1 mi w Quincy (Indian Hill); Quincy Quad., Indian Hill 1097 Comment
  SEINET10452056  Lupinus dalesiae Mary Susan Taylor 1982-6-23 Taylor 4718 Plumas T23N R10E ne/nw sec 13. Blue Nose Mt quad. S side of 23N10-Peoria Creek Rd, 0.2 mi ne of Oliver Creek, ca. 5 mi sw of Sloat. 5300 ft. 1615 Comment
  SEINET10485185  Lupinus dalesiae L. Hanson 1983-6-7 Hanson 196 Plumas On dirt rd e of hassack off of hwy 70, s of quincy. Found in mixed conifer Forest with castilleja spp., Lotus spp, and phlox spp. Comment
  SEINET10485187  Lupinus dalesiae Taylor 1982-7-7 Taylor 4786 Plumas Johnsonville quad. In disturbed soil with scanty duff, on roadcut, south side Of 4 wheel drive rd. .8 To .6 mi east of its jct with poplar creek rd (23n08), Ca. 1 Mi southeast of sloat. With arnica discoidea. 1280 Comment
  SEINET8042172  Lupinus formosus A. A. Heller, P. B. Kennedy 1907-7-16 8866 Plumas Grade between Genessee valley and Summit Comment
  CAS-BOT-BC323942  Lupinus grayi M. S. Taylor 1982-5-13 4435 Plumas Open cut roadbank across from parking area; Gansner Park, Quincy. 1036 Comment
  RSA26085  Lupinus grayi H. C. Cantelow 1940-5-12 s.n. Plumas 4/10 mile west of Quincy, on Busks Lake Road. Comment
  SEINET10837724  Lupinus grayi Duane Isely, I. Isely 1971-7-13 Isely 11397 Plumas Spring garden. Fls. Lt. Purple to pale lavender; standard recurved ca 45 Degrees. 1216 Comment
  CHSC80831  Lupinus lepidus var. confertus Lowell Ahart; Vernon H. Oswald 2001-7-11 8886 Plumas On the south side of Highway 89, west of the spillway on the dam at Lake Almanor. 1374 Comment
  CDA27463  Lupinus lepidus var. sellulus G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3148 Plumas Long Valley, 0.4 mile south of junction of Dixie Canyon-Round Valley and Canyon Dam Roads, at Maxwell Mine Road. Comment
  CHSC34761  Lupinus lepidus var. sellulus M. S. Taylor 1981-8-31 4249 Plumas E side of Rd 114, ca. 0.5 mi n of its jct with Hwy 89, ca. 1.5 mi e of Clio. 1432 Comment
  UCR123371  Lupinus lepidus var. sellulus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6877 Plumas Sierra Nevada Mountains, Calif. Hwy 36, 4.3 mi SW of its junction with Calif. Hwy 89, vicinity of Lake Almanor 1463 Comment
  SEINET8056241  Lupinus lepidus var. sellulus A. A. Heller, P. B. Kennedy 1907-7-9 8772 Plumas Prattville Comment
  CHSC92144  Lupinus obtusilobus L. P. Janeway; B. Castro 2005-9-11 8538 Plumas Northern High Sierra Nevada. Near the Oroville-Quincy Hwy at Grizzly Summit. 1768 Comment
  SEINET10451241 Image available Lupinus onustus John G. Lemmon Lemmon s.n. Plumas Indian Valley to Shasta. Comment
  CHSC116232  Lupinus polyphyllus var. burkei Lowell Ahart 2015-7-4 20289 Plumas On the west side of the paved road, about 1/2 mile north of the intersection of Lumpkin Ridge Road and road to Little Grass Valley Reservoir, aabout 1/1/2 miles (air) north of Little Grass Valley Reservoir dam. 1731 Comment
  RSA101477  Luzula comosa R. Weatherby 1955-6-26 1544 Plumas Mud Lake, Lakes Basin Area. 2104 Comment
  HSC102788  Luzula comosa var. comosa L. Ahart 2008-8-13 15183 Plumas About 1.75 air miles S of Little Grass Valley Reservoir, ~1.0 mi. NE of La Porte, west of East Branch Creek, on the western side of La Porte Rd. 1614 Comment
  CHSC64480  Luzula comosa var. laxa B. Castro; G. Kuenster 1994-7-27 529 Plumas Ca 2 air mi SE of Bucks Lake, ca 2 mi E of Faggs Ranch. 0.1 mi S of the Oro-Quincy Hwy and ca 30 ft E of USFS Rd 23N19. 1691 Comment
  CHSC52712  Luzula divaricata L. P. Janeway 1984-9-1 1101 Plumas Lakes Basin Recreation Area; north-facing slope above Round Lake. 2133 Comment
  CAS-BOT-BC441252  Luzula macrantha Walter Knight; Irja Knight 1967-5-22 1817 Plumas Butterfly Botanical Area and vicinity: Butterfly Canyon 990 Comment
  CHSC76151  Luzula parviflora G. D. Barbe; J. T. Howell, T. C. Fuller 1981-6-26 3342 Plumas 0.75 mile east of Bucks summit on Bucks Lake Road. 1600 Comment
  SEINET260550  Luzula parviflora M. Cutler, J Cutler 1992-6-11 Plumas Plumas National Forest ; Approx 0.5 mi S of Quincy; Boyle Ravine 1097 Comment
  CHSC72314  Lycopus uniflorus L. P. Janeway 1998-9-10 6273 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  CHSC94661  Lythrum portula Lowell Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden. 715 Comment
  JEPS110332  Lythrum portula Lowell Ahart 2006-10-8 13416 Plumas On the east bank of Chips Creek, southeast of the bridge on Highway 70, on the north side of the North Fork of the Feather river, about 1 1/4 miles southwest of Belden 715 Comment
  JEPS122114  Lythrum portula Lowell Ahart 2014-8-24 19739 Plumas South side of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  SEINET10473901  Machaeranthera canescens Mary Susan Taylor 1982-8-18 Taylor 5051 Plumas T25N R12E se/ne sec 28. Mt Ingalls quad. Mt Ingalls summit, ca. 9 air mi ne of Sloat. Open exposed rocky area; 8370 ft. 2551 Comment
  CAS-BOT-BC342584  Madia W. Harnach; N. Harnach 1990-6-19 399 Plumas Sierra Valley. Genesse Rd. 1584 Comment
  CAS-BOT-BC343798  Madia elegans Alice Eastwood 1927-6-17 14660 Plumas United States Forest Reserve. Long Valley Comment
  UCR47602  Madia elegans David D. Keck 1932-7-4 1620 Plumas Northern Sierra Nevada Mtns., Quincy, north of Spanish Creek 1067 Comment
  UC1561925  Madia elegans Barbara Ertter 1987-7-24 7309 Plumas on Rt 284 ca 3 mi n Chilcoot (<on road> to Frenchman Lake) 1524 Comment
  UCD134184  Madia elegans Frederica Bowcutt 1985-6-6 534 Plumas About 15 air miles NE of Quincy 0.2 mile SE of Drum Bridge. Immediately north of Red Clover Creek and Beckwourth Genesee Road. Comment
  RSA516357  Madia elegans subsp. elegans Barbara Ertter 1987-7-24 7309 Plumas Ca. 3 miles north of Chilcoot on Route 284 to Frenchman Lake 1524 Comment
  CHSC101856  Madia exigua Lowell Ahart; John Dittes, Josephine Guardino 2009-6-15 15887 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area. 1421 Comment
  JEPS115873  Madia exigua Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15887 Plumas About 200 yards northwest of Lake Almanor Dam, depression in mined over area 1421 Comment
  JEPS12518  Madia exigua George Gillett 1955-8-2 460 Plumas near bottom of trail coming down from Bench Lake (floor of Hot Springs Valley); Lassen Volcanic National Park, Hot Springs Valley 1828 Comment
  SD8615  Madia exigua Mrs. R. M. Austin 1879-1 Plumas Butterfly Comment
  CAS-BOT-BC342858  Madia glomerata M. S. Taylor 1982-9-7 5092 Plumas Ramelli Ranch, s side of Feather River, ca. 2 mi w of Beckwourth 1487 Comment
  JEPS122167  Madia glomerata Lowell Ahart 2014-8-26 19774 Plumas In the center of the South Fork of the Feather River, Little Grass Valley Reservoir, about 200 yards southwest of the parking lot to the Pacific Crest Trail, about 1/4 mile southwest of the bridge across the South Fork of the Feather River, about 4 miles (air) north of La Porte. Comment
  UC176512  Madia glomerata A. A. Heller and P. B. Kennedy 1907-7-18 8883 Plumas Beckwith Comment
  POM191475  Madia glomerata D. D. Keck 1932-7-6 1715 Plumas Halfway between Prattville and Chester 1341 Comment
  RSA518824  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mts, 12 air miles SSW of Susanville, Snoring Springs, 1/2 mile N of Diamond Mt Greenville Red Rock jct 1982 Comment
  SD132021  Madia glomerata Barbara Ertter 1988-7-25 7845 Plumas Diamond Mountains,ca.12 airline miles southsouthwest Susanville, Snoring Springs 0.5 miles north of Diamond Mountain-Greenville-RedRock junctn 1980 Comment
  CAS-BOT-BC343249  Madia gracilis John Thomas Howell 1951-6-28 27645 Plumas Johnsville 1584 Comment
  CAS-BOT-BC343250  Madia gracilis John Thomas Howell 1926-7-26 2122 Plumas Near Prattville 1463 Comment
  CDA43021  Madia gracilis L. Ahart 2009-7-21 16112 Plumas West of a man-made depression, about 20 yards east of Forest Service Road 27N26, about 1000 feet northwest of Powerhouse at the north end of Butt Valley Reservoir, about 3 miles (air) southwest of Lake Almanor. Comment
  CHSC88005  Madia gracilis Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-7-3 11153 Plumas On the north side of a forest road, small meadow, about 1/4 mile north of Taylor rock, about 1 mile (air) southwest of Grizzly Peak, about 5 miles (air) south of Taylorsville, about 8 miles (air) northeast of Quincy. 2139 Comment
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May 24 2013
  JEPS113596  Madia gracilis Lowell Ahart, Josephine Guardino 2007-7-20 14313 Plumas North of a small drainage, northeast edge of a large meadow, east of Lighting Tree Campground, east of the paved road, east side of Lake Davis 1789 Comment
  CAS-BOT-BC343262  Madia gracilis David D. Keck 1932-7-6 1717 Plumas Halfway between Prattville and Chester 1340 Comment
  CDA8280  Madia gracilis T. C. Fuller 1959-7-6 4299 Plumas Highway 89, 4 miles south of Crescent Mills. 0 Comment
  RSA603951  Madia gracilis subsp. gracilis Joseph A. Ewan 1934-7-19 8241 Plumas Dentens (Blairsden) 1616 Comment
  SEINET5339093  Mahonia sonnei R. J. Holl 1948-4-20 24 Plumas Sierra Valley, bank of Feather River, 1 mile west of Beckwith. 1524 Comment
  CAS-BOT-BC512088  Maianthemum racemosum subsp. amplexicaule Alice Eastwood 1927-6-11 14486 Plumas Forest Lodge, Greenville; United States Forest Reserve Comment
  CAS-BOT-BC347524  Malacothrix floccifera John Thomas Howell 1975-6-16 51157 Plumas 2 miles northwest of Spring Garden 1173 Comment
  CAS-BOT-BC347527  Malacothrix floccifera M. S. Taylor 1982-6-14 4674 Plumas On ridge above Indian Falls 1310 Comment
  JEPS68658  Malva neglecta W. L. Jepson 1924-7-25 10640 Plumas Meadow Valley 1158 Comment
  SBBG47390  Marsilea vestita J. T. Howell 1961-9-25 36949 Plumas Feather River bed, Portola 1478 Comment
  SEINET11601834 Image available Matricaria discoidea P. A. Lehenbauer 1934-5-5 s.n. Plumas Quincy Comment
  CAS-BOT-BC269222  Melica aristata John Thomas Howell 1960-7-22 35902 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CHSC101932  Melica aristata Lowell Ahart; John Dittes 2009-7-14 16064 Plumas On dry soil, on the north side of Forest Service Road 27N92, about 1.9 miles (air) southeast of Seneca, about 6 miles (air) south of Lake Almanor Reservoir Dam. 1677 Comment
  CAS-BOT-BC282101  Melica fugax John Thomas Howell 1960-7-22 35905 Plumas Lassen Volcanic National Park. Devil's Kitchen to Drakesbad 1828 Comment
  CAS-BOT-BC282105  Melica fugax Lowell Ahart 1989-7-2 6342 Plumas On the NW side and near the summit of Pilot Peak, about 10 miles NE of La Porte 2255 Comment
  CHSC41427  Melica fugax Lowell Ahart 1986-7-8 5346 Plumas About 1 mile north-west of Pilot Peak, about 14 miles north-east of La Porte. 1981 Comment
  JEPS115951  Melica fugax Lowell Ahart, John Dittes, Josephine Guardino 2009-6-15 15905 Plumas About 200 yards west of Lake Almanor Dam, on the north side of the road under the pole line 1421 Comment
  RSA201315  Melica fugax J. T. Howell 1960-7-18 35603 Plumas Drakesbad. Lassen Volcanic National Park. 1677 Comment
  CDA32498  Melica fugax G. D. Barbe, J. T. Howell & T. C. Fuller 1981-6-24 3257 Plumas Southeast of Mt. Hough summit, 0.4 mile northwest of junction with China Grade road. Comment
  CAS-BOT-BC264181  Melica subulata John Thomas Howell 1962-6-17 37682 Plumas Butterfly Valley, Sierra Nevada 1036 Comment
  CAS-BOT-BC264185  Melica subulata George W. Gillett 1957-7-17 793 Plumas Stream flowing from Little Willow Lake into Willow Lake 1767 Comment
  JEPS102743  Melica subulata Lowell Ahart 2001-7-19 8948 Plumas Steep slope, on the east side of Hopkins Creek, about 100 yards SW of the East Branch of Hopkins Creek, about 1/2 mile (air) south of Turkey Town, about 2 1/2 miles (air) SE of Pilot Peak. 1828 Comment
  UCD88628  Melica subulata John Thomas Howell; Gordon True, Walter and Irja Knight 1968-6-11 2410 Plumas Butterfly Botanical Area. 1097 Comment
  CAS-BOT-BC264179  Melica subulata John Thomas Howell 1960-7-23 35965 Plumas Dream Lake, Drakesbad, Lassen Volcanic National Park 1828 Comment
  CHSC102148  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas On damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  UCD169793  Mentha arvensis Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16243 Plumas 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CDA32019  Mentha canadensis L. Ahart, J. Dittes, J. Guardino 2009-7-29 16243 Plumas Below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. Comment
  CAS-BOT-BC223707  Mentzelia W. Harnach; N. Harnach 1989-6-29 205 Plumas Sierra Valley. Beckwith [Beckwourth] Pass on the north side of Hwy. 70 1539 Comment
  RSA726371  Mentzelia albicaulis L. Ahart, John Dittes, Josephine Guardino 2007-6-8 13990 Plumas East side of an open rocky flat, 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1966 Comment
  JEPS113613  Mentzelia dispersa Lowell Ahart, John Dittes 2007-6-16 14141 Plumas West of a small stream, about 200 yards south of County Road 111 (Beckwourth Gensee Road), 20 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1647 Comment
  SD7602  Mentzelia laevicaulis Mrs. R. M. Austin 1875-1 Plumas Soda Springs Comment
  SEINET3155016  Mentzelia laevicaulis E. K. Balls 1950-9-7 15698 Plumas 4.4 miles W of Mohawk Ranger Station, Hwy 24, between Cromberg and Portola. 1311 Comment
  JEPS124809 Image available Mentzelia micrantha John Degenfelder 1969-6-26 17 Plumas In Sierra Valley About 2 miles east of Sierra - Plumas County line on Sattley-Beckworth Road. Comment
  UC1121650  Mentzelia montana E. Sawyer 1935-6-10 92 Plumas 5 1/4 mi W of Summit; Sierraville Quadrangle 1493 Comment
  CHSC44142  Menyanthes trifoliata V. Oswald; L. Ahart 1988-8-4 3677 Plumas Willow Lake located se of Drakesbad just s of the boundary of Lassen Volcanic National Park. On a floating bog at the ne edge of the lake. 1676 Comment
  CHSC53706  Micranthes oregana L. P. Janeway 1989-7-13 3493 Plumas Plumas National Forest. Above Jackson Creek and rd 23N06, 1.6 mi from Penman Saddle. 1889 Comment
  CDA18695  Microseris nutans G. D. Barbe, T. C. Fuller 1982-6-15 3702 Plumas Sierra Nevada; 0.8 mi W of junction of road to Red Hill Lookout and road to Cherry Hill (USFS Rd 26N22F); 3.3 miles E of Red Hill Summit, Plumas National Forest. 1493 Comment
  UC485810  Microseris nutans H. F. Copeland 1932-8-24 Plumas Drakesbad 1828 Comment
  SEINET196695  Microsteris gracilis H. L. Mason 1924-6-18 1049 Plumas Near Feather River Graegle Comment
  CAS-BOT-BC150225  Mimulus Clare B. Hardham 1961-6-15 7401 Plumas Graeagle Comment
  RSA0014041  Mimulus aurantiacus Joan Stewart 2000-06 1041 Plumas Plumas National Forest Comment
  RSA74135  Mimulus aurantiacus var. grandiflorus Milo S. Baker 1952-5-27 12474 Plumas Feather River Canyon at Camp Storrie. In rock crevices along Hwy 24 Comment
  UC1012160  Mimulus aurantiacus var. grandiflorus F. W. Pennell and A. A. Heller 1940-6-5 25687 Plumas below Belden (Route 24); Feather River 487 Comment
  CDA19256  Mimulus guttatus G. D. Barbe, T. C. Fuller 1982-6-17 3856 Plumas Plumas National Forest; East shore Frenchman Lake at the parking lot; Crystal Fishing Access. 1706 Comment
  JEPS115558  Mimulus guttatus Lowell Ahart, John Dittes 2009-7-28 16202 Plumas On wet soil, on the northwest side of a logging road, seeps, slope northwest of mine, west (above) Forest Service Road 27N28Y, 2.9 miles (air) northwest of Butt Valley Reservoir Dam 1581 Comment
  JEPS10943  Mimulus guttatus W. I. Follett 1936-5-12 48 Plumas n side Riuh Gulch; Rich Gulch 1097 Comment
  JEPS1763  Mimulus guttatus Milo S. Baker 1952-5-26 12470 Plumas back of Cottages (at Beldon); Feather River Canyon, Yellow Creek Comment
  UC1012473  Mimulus guttatus Francis W. Pennell 1940-6-11 25806 Plumas 1 mi s Greenville (Route 89) 1219 Comment
  UC1063055  Mimulus moniliformis E. Sawyer 1935-7-1 267 Plumas 1/2 mi s Chases; Plumas National Forest, Downieville Quadrangle Comment
  UCD20777  Mimulus moschatus A. M. Shapiro 2002-8-26 s.n. Plumas Plumas County. Feather River Canyon. Caribou Road. 914 Comment
  UCSB45771  Mimulus moschatus Reisentz, Paul 1979-5-12 Plumas 12 miles south on Highway 70 from the junction of Highway 70 and Highway 89; 8 miles north of North Fork Camp Road Comment
  JEPS28622  Mimulus nanus var. jepsonii George W. Gillett 1957-7-18 808 Plumas ne side Boiling Springs Lake; Lassen Volcanic National Park 1813 Comment
  JEPS28645  Mimulus nanus var. jepsonii George W. Gillett 1957-7-23 893 Plumas on trail below summit Mt. Harkness; Lassen Volcanic National Park 2346 Comment
  RSA39887  Mimulus nanus var. mephiticus P. A. Munz 1947-5-16 11831 Plumas 8 miles north of Chilcoot. 1524 Comment
  RSA523819  Mimulus nanus var. mephiticus S. Galen Smith 1958-7-25 s.n. Plumas Along Feather River Highway (Alt. US 40), 2.2 mi e. of bridge over the North Fork of the Feather River and the junction of the road to Caribou, near Rich Bar. 777 Comment
  UC335555  Mimulus primuloides J. G. Lemmon Plumas Sierra Valley Comment
  JEPS10979  Mimulus primuloides Rachel Wilcox 1944-8-22 Plumas 2 mi n Cascade Ranger Station; South Branch Middle Fork Feather River 1219 Comment
  JEPS14995  Mimulus torreyi G. Burks 1933-8-8 22 Plumas 4 mi e and 1 1/4 mi n Camel Peak; Plumas National Forest, Bidwell Bar Quadrangle Comment
  UC569900  Mimulus torreyi D. Axelrod 1934-6-9 26 Plumas 2 1/4 mi nw Lexington Hill; Bidwell Bar Quadrangle Comment
  UCD23264  Mimulus torreyi Louis K. Mann, Pat Mann 1963-6-17 s.n. Plumas Along U.S. Highway 395, 1-2 miles north of the junction with U.S. Alternate 40. Comment
  JEPS34389  Minuartia douglasii Rimo Bacigalupi and P. C. Hutchison, J. K. Wright 1963-6-1 8865 Plumas Rich Bar Feather River Canyon (n side of canyon) 762 Comment
  CDA11852  Moehringia macrophylla G. F. Hrusa, E. Sandoval 1993-5-3 11140 Plumas Snake Lake Vicinity; Woods surrounding Snake Lake. Comment
  CDA17268  Moehringia macrophylla G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16295 Plumas Sierra Nevada; Butterfly Valley Botanical Area at Keddie. Plumas National Forest. 1158 Comment
  SEINET10898325  Monardella Mary Susan Taylor 1981-8-25 Taylor 4239 Plumas California: T25N R7E nw1/4 of ne1/4 sec 11. Almanor SW quad. W side of 26N22F, road to Red Hill Lookout, on serpentine, ca. 5 air mi NE of Belden. Plumas County. 6300 ft. 1920 Comment
  UCD105971  Monardella follettii Jesse Miller 2010-1 s.n. Plumas Plumas National Forest. Southwest of Caribou. Near the north fork of the Feather River. 1524 Comment
  SEINET10582326  Monardella follettii A. Graff 1993-7-22 Graff 310 Plumas Plumas National Forest. Meadow Valley Rd. south, .1 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S30. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Bombus sp., butterflies. Comment
  SEINET10582330  Monardella follettii A. Graff 1993-7-22 Graff 315 Plumas Plumas National Forest. Meadow Valley Rd. south, .4 mile from Union Pacific RR crossing, on left road cut. T25N,R8E,S20. Locally frequent on serpentine, below Pseudotsuga menziesii, Calocedrus decurrens, Pinus jeffreyi, P. lambertiana, Abies concolor, A. magnifica. Comment
  RSA767791  Monardella glauca L. P. Janeway 2010-8-19 10167 Plumas Northern High Sierra Nevada. Plumas National Forest; uppermost end of Lumpkin Ridge, 1.6 air km northwest of the Little Grass Valley Reservoir dam; along Road 22N86Y 1 km southwest of Road 22N27 (Lumpkin Road). 1797 Comment
  CHSC52044  Monardella odoratissima L. P. Janeway 1989-7-13 3489 Plumas Plumas National Forest. Slopes on NE flank of Crocker Mtn, above Red Clover Valley. 1.2 mi SW of Beckswourth-Genesee Rd (rd 111) 11.7 mi from Beckwourth. 1798 Comment
  CAS-BOT-BC314153  Monardella odoratissima Alice Eastwood 1927-6-17 14676 Plumas United States Forest Reserve, Plumas County. Long Valley. Comment
  UC1124582  Monardella odoratissima subsp. glauca R. Roseberry 1934-11-7 11 Plumas 2 mi north of Penman Pk.; Plumas National Forest, Downieville Quadrangle Comment
  UC2035865  Monardella odoratissima subsp. glauca E. D. Merrill 1929-7-13 Plumas Silver Lake Comment
  CHSC91773  Monardella odoratissima subsp. odoratissima G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-26 3346 Plumas Sierra Nevada. 0.75 mile northeast of Bucks Summit on Bucks Lake Road. 1600 Comment
  CHSC67834  Monardella odoratissima subsp. pallida James D. Jokerst 1987-5-28 2884 Plumas Ward Creek Canyon on steep, rocky edge SW of creek. 1463 Comment
  UC1124591  Monardella odoratissima subsp. pallida C. W. Hanks 1934-8-8 14 Plumas N. E. of Sierra Valley; Plumas National Forest, Sierraville Quadrangle Comment
  UC1609314  Monardella odoratissima subsp. pallida Lowell Ahart 1993-9-24 7264 Plumas On the North side of the Pacific Crest Trail, about about 400 yards north-east of the trail head, about 1/10 mile east of the Quincy La Porte Road, about 1 mile west of Pilot Peak. 1920 Comment
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Jun 15 2007
  CAS-BOT-BC222110  Monardella odoratissima subsp. pallida H. L. Mason 1924-6-16 1043 Plumas South banks of Feather River, near Graeagle Comment
  CAS-BOT-BC220484  Monardella sheltonii L. P. Janeway 1989-8-1 3542 Plumas Beckwourth Ranger District, Plumas National Forest. Southern side of Big Hill; between Eureka Ridge and Middle Fk Feather River. Along rd 23N36 1584 Comment
  CAS-BOT-BC220492  Monardella sheltonii John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-6-25 54303 Plumas East side of Indian Valley just north of Taylorsville 1112 Comment
  CHSC67980  Monardella sheltonii James D. Jokerst 1989-7-3 3122 Plumas Caribou Rd. 1.2 mi N of Hwy. 70. Comment
  CAS-BOT-BC220487  Monardella sheltonii John Thomas Howell 1961-9-23 36887 Plumas Near Englemine 1097 Comment
  SEINET10582341  Monardella sheltonii A. Graff 1993-7-22 Graff 298 Plumas Plumas National Forest. Hwy. 70 west, just past the railroad tressle after Keddie (just past Graff collections 259-297), on the west-facing road cut. T25N,R9E,S15. Growing on gravelly, reddish shale, the cut filling in with Pinus jeffreyi, Pseudotsuga menziesii, Calocedrus decurrens, Quercus sp., Acrtostaphylos sp. Comment
  UC1473878 Image available Monardella stebbinsii Clare B. Hardham 1968-7-15 15680 Plumas Near Belden, North Fork Feather River, 1.9 km north of Queen Hills Camp Ground, Sierra Nevada Mounrtains Comment
  SEINET10582265  Monardella stebbinsii A. Graff 1993-7-22 Graff 331 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  SEINET10582267  Monardella stebbinsii A. Graff 1993-7-22 Graff 330 Plumas Plumas National Forest. .75 miles north on Caribou Rd. (USNFS Rd. 27N26) from wooden bridge just past USNFS Queen Lily Campground, on left roadside. T25N,R8E,S4. Rare, on a rocky, iron-rich serpentine slope, with occasional Pinus ponderosa, Quercus sp., Salix sp. Beginning of bloom. Comment
  CHSC112527  Montia chamissoi B. Castro; L. P. Janeway 2008-6-8 1739 Plumas Northern High Sierra Nevada. About 550 ft west of Crocker Creek, on west side of Beckwourth-Genesee Road ca 1 mi north of Crocker Guard Station. 1712 Comment
  CAS-BOT-BC445100  Montia linearis A. A. Heller; P. B. Kennedy 1907-7-4 8731 Plumas Two miles south of Red Clover valley Comment
  SEINET10572662  Montia linearis Mary Susan Taylor, M. Foster 1981-6-3 Taylor 3845 Plumas T24N R12E nw sec 25, Grizzly Valley quad; W side of 24N10, ca. 1/4 mi S of Grizzly Creek crossing 24N10, ca. 8 mi NW of Portola; elevation ca. 5800 ft. 1768 Comment
  CAS-BOT-BC445192  Montia parvifolia Anna Head 1920-6-8 s.n. Plumas Camp Rodgers, Feather River Region Comment
  JEPS102768  Muhlenbergia filiformis Lowell Ahart 2001-8-28 9190 Plumas Strand of Lake Almanor, west of the intersection of the dirt road to Last Chance Marsh and the poor dirt road that goes south along Lake Almanor to the causeway of Highway 36, about 3/4 mile NE of Chester. 1371 Comment
  JEPS110529  Muhlenbergia filiformis Lowell Ahart 2006-10-23 13500 Plumas On the west side of Slate Creek (there is a large gravel flat caused by the dam), about 30 yards south of where the road ends, about 20 yards north of the dam across Slate Creek, about 1/8 mile northeast of Scales Road, about 5 1/2 miles (air) northeast o 1281 Comment
  UC501387  Myosotis discolor David D. Keck Jul 3 1932-Jul 5 1932 1670 Plumas along rd. to Lake Almanor Quincy; Northern Sierra Nevada 1065 Comment
  CDA40605  Myosotis laxa T. C. Fuller 1970-9-3 19796 Plumas North side of main road, eastern limits of Quincy. 0 Comment
  UC1560392  Myosotis scorpioides E. Joyal and D. Mehlman 1988-6-30 1297 Plumas e. of Quincy 1200 Comment
  POM312423  Myosurus aristatus H. L. Mason 1953-6-16 14554 Plumas 2 miles E of Beckwourth Comment
  RSA312422  Myosurus aristatus H. L. Mason 1953-7-8 14559 Plumas 1/2 as long as claw, 6 miles SE of Beckwourth on road from Beckwourth to Loyalton across valley Comment
  CHSC97589  Myosurus minimus Lowell Ahart; John Dittes 2007-6-16 14111 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  CHSC114291  Myriophyllum hippuroides B. Villegas 2008-7-24 Plumas Indian Creek, south of Crescent Mills, near County Road A22. Comment
  UCR248226  Myriophyllum hippuroides B. Villegas 2008-7-24 s.n. Plumas Northern Sierra Nevada Mtns., Indian Creek, south of Crescent Mills, near County road A22 1064 Comment
  SD46611  Myriophyllum hippuroides Robert J. Weatherby 1950-7-28 1496 Plumas 2 miles south of Crescent Mills, Indian Creek 1036 Comment
  SD46448  Myriopteris gracillima Robert J. Weatherby 1950-8-11 1514 Plumas Mt. Elwell, just below abandoned lookout station 2375 Comment
  JEPS1426  Nama densa Katharine Brandegee c. 1910 Plumas Portola Comment
  SEINET5520835  Nama densa var. densa W. Harnach, N. Harnach 1990-6-16 385 Plumas Sierra Valley. NNW of Vinton, Frank Dotta Ranch 1524 Comment
  RSA88082  Nama lobbii J. T. Howell 1951-6-28 27697 Plumas Eureka Peak. 1982 Comment
  UCR4990  Nama lobbii E. C. Nord 1966-1 s.n. Plumas Northern Sierra Nevada Mtns., Sugarloaf Plantation, [6] mi. NW of Downieville [Downieville Ranger Distr., Tahoe National Forest] 1677 Comment
  SD46489  Narthecium californicum Robert J. Weatherby 1950-7-21 1476 Plumas Butterfly Valley, near Quincy. On sunny wet soil in boggy meadow. 1219 Comment
  PASA2015  Navarretia breweri Margaret Stason 1932-6-22 442 Plumas campground at Lake Almanor Comment
  UC1075685  Navarretia breweri Robert J. Weatherby 1955-7-2 1571 Plumas near Taylor Lake; Bear Ridge 2194 Comment
  CHSC97577  Navarretia divaricata subsp. divaricata Lowell Ahart; John Dittes 2007-6-17 14155 Plumas On the sides of a small wash, about 20 yards west of Red Clover Creek, about 10 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of Bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1654 Comment
  UC1585918  Navarretia divaricata subsp. divaricata Barbara Ertter with Gary Schoolcraft 1989-7-3 8648 Plumas ca 8 air mi s Susanville (near road below Red Rock lookout) 2255 Comment
  JEPS124118  Navarretia divaricata subsp. vividior Lowell Ahart 2015-6-7 20217 -A Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  UC908133  Navarretia intertexta Herbert L. Mason 1924-6-20 1081 Plumas near Gold Lake (along trail from Gold Lake to Graeagle Camp) Comment
  UCD48476  Navarretia intertexta John Thomas Howell 1955-7-20 30872 Plumas Mohawk, Plumas Co. 1371 Comment
  UC726841  Navarretia intertexta A. A. Heller 1938-7-2 15233 Plumas just n Quincy (near the bridge over Spanish Creek) 1097 Comment
  SEINET8584723  Navarretia intertexta subsp. intertexta W. Harnach 2013-5-18 1353 Plumas 0.25 miles east of Co. Rd A-23 on Marble Lane, south of Beckwourth 1491 Comment
  CHSC97113  Navarretia intertexta subsp. propinqua Lowell Ahart; Josephine Guardino 2007-7-20 14349 Plumas Strand of Lake Davis, about 100 yards southeast of Long Point, northeast side of Lake Davis. 1763 Comment
  JEPS28631  Navarretia intertexta subsp. propinqua George W. Gillett 1957-7-18 823 Plumas Willow Lake Meadow Lassen Volcanic National Park (n end, near the main inlet) 1661 Comment
  RSA83058  Navarretia leptalea Verne Grant, Alva Grant 1948-7-11 s.n. Plumas Lava Cap, southwestern Plumas County Comment
  SBBG32371  Navarretia leptalea L. S. Rose 1967-7-11 67159 Plumas Mt Hough Rd, 9.5 mi NE of Quincy Junction 1249 Comment
  CHSC79540  Navarretia leptalea subsp. bicolor G. F. Hrusa; B. Smith, T. D. Wilfred 1996-7-15 13212 Plumas Northern California. Sierra Nevada - Plumas National Forest. N side of Hwy. 70 approx. 3 m. E of Spring Garden at inter. of Hwy 70 and Sloat Rd. [Original lat./long. on label is '39 52 N; 120 44 W']. 1530 Comment
  CAS-BOT-BC230398  Navarretia leucocephala subsp. minima E. Sawyer 1935-6-27 158 Plumas Charlies Valley, W of Beckwith Buttes 1524 Comment
  SEINET10972222  Nemacladus capillaris Best 1979-6-14 BEST s.n. Plumas Highway 89, 2 miles west of Spring Garden Comment
  CDA14130  Nemophila pedunculata G. F. Hrusa 1997-5-3 13820 Plumas Sierra Nevada; W side of Rattlesnake Creek, immed. N of Hwy 70 approx. 15 mi. E of Quincy. Comment
  SEINET5520937  Nemophila pedunculata W. Harnach, N. Harnach 1989-3-29 008 Plumas Sierra Valley, hillside north of Barry corrals 1585 Comment
  CHSC94203  Nemophila spatulata Lowell Ahart 2006-7-9 12937 Plumas In a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1661 Comment
  JEPS108893  Nemophila spatulata Lowell Ahart 2006-7-9 12937 Plumas In a small seep, about 20 yards south of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1661 Comment
  UCSB15812  Nemophila spatulata Breedlove, Dennis 1962-6-12 Plumas Along State Highway 36; 6.9 miles west of Chester; Sierra Nevada 1524 Comment
  JEPS102601  Nicotiana acuminata var. multiflora Lowell Ahart 2001-10-8 9332 Plumas Sand bar, on the west side of Indian Creek, about 400 yards south of Arlington Road, about 200 yards east of Highway 89, about 1 1/2 miles south of Crescent Mills. 1066 Comment
  CAS-BOT-BC60559  Noccaea fendleri subsp. glauca Lowell Ahart 1983-8-17 4342 Plumas South of Onion Valley, near the Quincy La Porte Road, west of Pilot Peak, about 11 miles norhteast of La Porte. 2000 Comment
  RSA0013789  Nuphar lutea subsp. polysepala R. F. Thorne, C. W. Tilforth 1969-9-6 39228 Plumas Feather River, 1 mi. SW of Beckwourth. 1357 Comment
  SD6157  Nuphar polysepala R. M. Austin 1880-1 Plumas Big Meadows Comment
Read comments
Jul 11 2010
  JEPS29579  Oreostemma alpigenum var. andersonii J. Thomas Howell 1960-7-23 35964 Plumas Dream Lake, (Drakesbad) Lassen Volcanic National Park, Dream Lake, Drakesbad 1676 Comment
  RSA0049656  Oreostemma elatum Dean Wm. Taylor 2011-8-1 21135 B Plumas Butterfly Valley (Butterfly Valley Botanical Area, 2 air miles SW of Keddie) 1173 Comment
  JEPS28666  Orobanche pinorum George W. Gillett 1957-7-23 890 Plumas Lassen Volcanic National Park, Summit of Mt. Harkness. Comment
  CAS-BOT-BC238428  Orthocarpus W. Harnach; N. Harnach 1989-6-17 145 Plumas Sierra Valley. Collected at the east end of Carmichaels Pond. Marble Lane 1487 Comment
  SEINET10549656  Orthocarpus copelandii Mary Susan Taylor 1982-8-31 Taylor 5085 Plumas T28N R11E se/sw sec 11. Diamond Mt quad. Summit of Red Rock Lookout, ca. 15 mi ne of Taylorsville. Dry rocky open ridge. 7618 ft. 2322 Comment
  UC569896  Orthocarpus cuspidatus subsp. cryptanthus E. Sawyer 1935-6-21 136 Plumas 4 1/2 mi nne Crow; Plumas Nat'l Forest, Sierraville Quadrangle 1737 Comment
  POM44306  Orthocarpus erianthus Mary E. P. Ames 1891-05 s.n. Plumas Auburn. Taylorsville, Indian Valley. Comment
  CHSC21519  Osmorhiza chilensis D. Brink 1975-7-8 Plumas Buck's Lake. Comment
  JEPS113822  Osmorhiza chilensis Lowell Ahart, Josephine Guardino 2007-7-21 14373 Plumas Around pine trees, near a small dry drainage, about 20 yards south of the Beckwourth Taylorsville Road, about 2 1/4 miles (air) northwest of the most northwest part of Lake Davis 1813 Comment
  CHSC33941  Osmorhiza occidentalis M. S. Taylor 1981-7-27 4119 Plumas Along spring crossing Beckwourth=Genesee Rd, between Crystal and Meadow Creeks, ca. 2 mi s of Notson Bridge, ca. 17 air mi ne of Blairsden. 1737 Comment
  JEPS93946  Osmorhiza occidentalis Vernon H. Oswald and Lowell Ahart 1998-8-11 9493 Plumas Quincy-La Port Road (County Road 511) at the South Fork Feather River w of Pilot Peak; South Fork Feather River, Quincy-La Port Road 1920 Comment
  SJSU14720  Osmorhiza occidentalis N. A. Hopkins 1991-7-3 1696 Plumas N of Doyles Crossing 20 mi N of Red Clover Valley on road to Janesville 1524 Comment
  UC1586459  Packera pauciflora Vernon H. Oswald and Lowell Ahart 1991-7-30 4788 Plumas Big Springs on the w side Humbug Valley (ca 6 mi (air) ene of Humbug Summit, ca 12 mi (air) s of Chester); Big Springs on w side Humbug Valley 1310 Comment
  CHSC109551  Packera streptanthifolia L. P. Janeway 2012-7-17 10948 Plumas Northern High Sierra Nevada. Plumas National Forest; south side of Cedar Flat. 1701 Comment
  CHSC46673  Packera subnuda var. subnuda Vernon H. Oswald 1988-8-5 3621 Plumas Humbug Rd near Little Grizzly Valley, 5.0 mi (odometer) ne of Humbug Summit. 1755 Comment
  RSA748619  Paeonia brownii James R. Shevock 1985-5-19 11159 Plumas Plumas National Forest, along forest road 26N70 just south of Crocker Station. 1800 Comment
  SJSU14348  Paeonia brownii N. A. Hopkins 1990-5-12 1611 Plumas on rd to Genessee c. 16 mi NW of Beckwourth 1676 Comment
  UC1101578  Panicum acuminatum var. acuminatum Malcolm A. Nobs, S. Galen Smith 1949-8-19 1436 Plumas Butterfly Valley Comment
  HSC10486  Panicum acuminatum var. fasciculatum L. S. Rose 1966-7-27 66070 Plumas Butterfly Valley, 3 mi. W of Keddie. 1067 Comment
  UCD88707  Panicum acuminatum var. fasciculatum Walter Knight; Irja Knight, John Thomas Howell 1966-7-28 1675 Plumas Butterfly Botanical Area and Vicinity. Sweetwater Meadow. 1127 Comment
  UCD32833  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 d Plumas Lassen National Park, Devil's Kitchen, Hot Springs Creek canyon, 1.5 miles W of Drakesbad. 1859 Comment
  UCD89951  Panicum acuminatum var. thermale Beecher Crampton 1964-8-25 7157 Plumas Lassen Volcanic National Park, Devil's Kitchen. 1859 Comment
  CAS-BOT-BC253739  Panicum capillare John Thomas Howell 1951-8-20 28214 Plumas Genesee 1127 Comment
  CAS-BOT-BC253741  Panicum capillare John Thomas Howell 1976-7-15 51831 Plumas Quincy 1051 Comment
  CAS-BOT-BC253745  Panicum capillare John Thomas Howell 1926-7-30 2167 Plumas Near Prattville Comment
  RSA201364  Panicum capillare J. T. Howell 1969-9-22 34868 Plumas Drakesbad; Lasses Volcanic National Park 1738 Comment
  SD71009  Panicum capillare var. occidentale John Thomas Howell 1960-7-20 35728 Plumas Lassen Volcanic Park, Drakesbad, cool wet shaded place 1676 Comment
  UC1125716  Pedicularis attollens A. Lewis 1934-6-12 482 Plumas Little Grass Valley; Plumas National Forest 1524 Comment
  CHSC108120  Pedicularis racemosa Lowell Ahart 2011-9-17 17666 Plumas On the south side of an unnamed stream that flows east into Little Grass Valley Reservoir and opposite the Black Rock, about 20 yards southwest of the paved road, about 1/8 mile west of Little Grass Valley Reservoir. 1595 Comment
  POM286408  Pedicularis racemosa Lyman Benson 1932-7-29 3979 Plumas Buck Lake. Sierra Nevada Mtn range. Feather River drainage. 2134 Comment
  CHSC21297  Pedicularis semibarbata F. T. Griggs; A. Pass 1975-7-29 258 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC63279  Pedicularis semibarbata Lowell Ahart 1994-6-15 7339 Plumas About 200 yards east of a logging road, near the intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 1 mile (air) west of Little Grass Valley Reservoir. 1767 Comment
  CHSC65128  Pedicularis semibarbata Vernon H. Oswald 1995-7-24 7105 Plumas Caribou Wilderness N of Chester, at the SW end of Indian Mdw. on the trail from Hay Mdw to Beauty Lake. 1950 Comment
  JEPS35117  Pellaea brachyptera Geo. E. Davenport and Mrs. R. M. Austin 1877-1 Plumas Comment
  CAS-BOT-BC71239  Pellaea bridgesii John Thomas Howell 1951-6-28 27694 Plumas Eureka Peak 2133 Comment
  CAS-BOT-BC67615  Pellaea bridgesii J. G. Lemmon 1889-6-1 s.n. Plumas Gold Lake Valley Comment
  UC1562398  Pellaea bridgesii Lowell Ahart 1990-7-16 6568 Plumas ca. 3 1/2 mi ne of Little Grass Valley Reservoir (ca. 1/2 mi ne of Independent Mine, n side of S Fork Feather River) 1828 Comment
  SD9665  Pellaea mucronata J. G. Lemmon 1876-1 Plumas Sierra Valley Comment
  UC1861788  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2001-7-21 1078 Plumas Hwy 70, across North Fork of Feather River from P.G.& E. E. Rogers Flat facility. 670 Comment
  CDA9209  Penstemon deustus D. G. Kelch, Alan Smith, Andrew Murdock, and Ruth Kirkpatrick 2006-6-21 6 .287 Plumas Plumas Eureka State Park. S Johnsville Comment
  UC1063379  Penstemon deustus E. Sawyer 1935-6-18 124 Plumas 5 mi sse Crow; Plumas National Forest, Sierraville Quadrangle 2011 Comment
  POM319333  Penstemon deustus Patricia Wilder 1971-6-22 5157 Plumas Spanish Ranch, 6 miles west of Quincy on Spanish Ranch Road, on north side of road. Cascade mtn range, Spanish Creek to North Fork Feather River drainage. 1098 Comment
  RSA523594  Penstemon deustus W. I. Follett 1946-5-24 142 Plumas Chips Creek at North Fork Feather River. 671 Comment
  SEINET6225247  Penstemon deustus L. S. Rose 1967-1 67173 Plumas 1 mi S of Keddie, Butterfly Creek & Spanish Creek Comment
  UC725778  Penstemon deustus A. A. Heller 1942-6-5 16501 Plumas on #24, 3 mi w Belden; w of Belden Comment
  CHSC58179  Penstemon deustus var. pedicellatus Vernon H. Oswald 1992-6-18 4992 Plumas Lassen Volcanic National Park. Warner Valley: S side of Hot Spring Creek ca. 0.5 mi upstream from the boundary of the park. 1621 Comment
  NY609834  Penstemon deustus var. suffrutescens F. M. Ownbey 1938-7-14 1738 Plumas Below Humboldt Summit, Sierra Nevada Comment
  CHSC35269  Penstemon gracilentus M. S. Taylor 1981-7-21 4094 Plumas Between 25N18A and Squirrel Cr, ca. 1/2 mi se of Taylor Rock, ca. 7 air mi n of Spring Garden. 1981 Comment
  NY600751  Penstemon gracilentus A. A. Heller 1907-7-9 8775 Plumas Prattville Comment
  SEINET7948412 Image available Penstemon gracilentus N. H. Holmgren, P. K. Holmgren, D. Lepley, E. Corbin, M. Dolan 2015-7-13 16607 Plumas Sierra Nevada, North Fork Feather River Drainage, about 12.5 km (7.5 miles) air distance west-northwest of Chester (from where Feather River Drive intersects with SR 36) 1571 Comment
  CDA41879  Penstemon gracilentus T. R. Haig 1962-7-26 s.n. Plumas 2 miles south of Graeagle. Comment
  LA209569  Penstemon heterodoxus E. D. Merrill; 1929-7-13 Plumas Sierra Nevada, Silver Lake 1828 Comment
  CHSC61679  Penstemon heterodoxus var. shastensis Vernon H. Oswald 1993-8-25 5875 Plumas Lassen Volcanic National Park. W side of the S unit of Twin Meadows, ca. 0.5 mi N of the S boundary of the park. 2057 Comment
  UC1949178  Penstemon heterodoxus var. shastensis Barbara Ertter with Gary Schoolcraft 1989-7-3 8672 Plumas Diamond Mt peak ca 7 airmiles S of Susanville; below snowbank on N face Comment
  JEPS85846  Penstemon janishiae Barbara Ertter with Gary Schoolcraft 1989-7-3 8667 Plumas ca. 7 air mi s Susanville (bare rocky ridge extending n from main peak); Diamond Mt. Peak, s of Susanville 2316 Comment
  CAS-BOT-BC6803  Penstemon neotericus David Daniels Keck 1930-7-24 958 Plumas Halfway between Chester and Westwood. 1463 Comment
  CHSC1874  Penstemon newberryi 1948-5-9 Plumas Feather River Canyon. Comment
  CAS-BOT-BC239287  Penstemon newberryi var. berryi Anna Head 1920-6-15 s.n. Plumas At Lake Center Camp, Feather River Region 1920 Comment
  CAS-BOT-BC239292  Penstemon newberryi var. berryi Ella Dales Cantelow 1940-5-11 4476 Plumas Nr. Meadow Valley Creek Ford Comment
  JEPS26689  Penstemon newberryi var. newberryi P. C. Hutchison 1961-6-9 2128 Plumas 1/2 mi n of the dam along the road to Greenville (e side of Round Valley Reservoir); e side Round Valley Reservoir, road to Greenville Comment
  CAS-BOT-BC245639  Penstemon personatus M. S. Taylor; M. Foster 1981-7-14 4009 Plumas Saddle at head of Bullfrog Ravine, up to 1/4 mi. E & W of road 26N18, ca. 3 air mi. NW of Indian Falls 1737 Comment
  CAS-BOT-BC245641  Penstemon personatus Lowell Ahart 1980-7-27 2488 Plumas 5 miles east of Bucks Lake, Sierra Nevada 1500 Comment
  HSC66381  Penstemon personatus L. Hanson 1979-8-10 66 Plumas Ridge S of Coldwater Creek, downslope from Coldwater Creek Rd. Comment
  UCD124121  Penstemon procerus R. N. Raynor 1939-6-1 s.n. Plumas along Lake Almanor, near Chester. Comment
  NY650092  Penstemon roezlii B. J. Ertter 1989-7-3 8656 Plumas Ridge between Red Rock and Diamond Mountain ca. 8 airmiles south of Susanville 2225.0 Comment
  UC579426  Penstemon roezlii G. T. Nordstrom 1934-7-2 169 Plumas 1 mi se Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1584 Comment
  CAS-BOT-BC239608  Penstemon rydbergii var. oreocharis C. R. Quick 1945-7-20 45 -62 Plumas U.S.F.S. fenced pasture, Deane's [Deanes] Valley, S.E. of Meadow Valley Comment
  CHSC28172  Penstemon rydbergii var. oreocharis J. D. Jokerst 1979-6-23 266 Plumas Abundant in first meadow W. of Meadow Valley Cr. and E. of Forest Service rd. to Deanes Valley (S. of road between Bucks Lake and Quincy). Comment
  JEPS15109  Penstemon rydbergii var. oreocharis G. T. Nordstrom 1934-7-16 222 Plumas 1 1/4 mi sw Bucks Ranch; Plumas National Forest, Bidwell Bar Quad. Comment
  NY651316  Penstemon rydbergii var. oreocharis E. D. Merrill 1929-7-13 s.n. Plumas Silver Lake 1828.8 Comment
  NY651330  Penstemon rydbergii var. oreocharis See comments 1981-6-17 465 Plumas Southwest of Portola 1463.0 Comment
  SJSU15165  Penstemon rydbergii var. oreocharis N. A. Hopkins 1993-6-16 1727 Plumas by Beckwourth-Janesville Rd N of Milford Fork 1524 Comment
  UC485790  Penstemon rydbergii var. oreocharis H. E. and S. T. Parks Jun 1928 219 Plumas Drakesbad Lassen National Park, Drakesbad Comment
  UC696715  Penstemon rydbergii var. oreocharis A. A. Heller with P. B. Kennedy 1907-7-5 8735 Plumas Red Clover Valley Comment
  JEPS95367  Penstemon speciosus Lowell Ahart 1994-7-7 7472 Plumas N side of Pacific Crest Trail, 1 mi W of Pilot Peak, about 1/4 mi E of Quincy--La Porte Road 1950 Comment
  CHSC75892  Perideridia bolanderi G. F. Hrusa 1997-5-30 13842 Plumas Sierra Nevada. 1/2 mi. NE of intersection of Hwy 70 and Rattlesnake Creek Rd (to N; USFS 508) /and Sloat Rd. (to S). [Original lat./long. on label is '39 53 N; 120 42 W']. 1450 Comment
  UCD127830  Perideridia bolanderi M. S. Taylor 1982-6-21 4706 Plumas Eureka Ridge Road (23N09), ca. 1/4 miles west of spring, White Cap, ca. 3 air miles southwest of Sloat. Comment
  CHSC60594  Perideridia bolanderi subsp. bolanderi L. P. Janeway 1989-6-23 3392 Plumas Plumas Nationa Forest. Beckwourth Ranger District. Upper slope overlooking Crocker Creek from the east. 1767 Comment
  JEPS113373  Perideridia bolanderi subsp. bolanderi Lowell Ahart, John Dittes, Josephine Guardino 2007-6-9 14038 Plumas Open rocky flat, along the east side of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1857 Comment
  RSA641472  Perideridia bolanderi subsp. bolanderi Michael A. Vincent 1999-6-7 8531 Plumas Plumas National Forest; Milford Ranger District; west of Frenchman Lake along FS Route 11. Comment
  UC1389937  Perideridia lemmonii T. I. Chuang, R. S. Mitchell, and G. Keator 1965-6-17 5990 b Plumas Lake Almanor; w side Comment
  UC1191938  Perideridia parishii subsp. latifolia Malcolm A. Nobs and S. Galen Smith 1949-8-19 1437 Plumas Butterfly Valley; bog and marsh Comment
  CAS-BOT-BC413561  Persicaria amphibia John Thomas Howell 1926-7-30 2160 Plumas Prattville 1371 Comment
  CHSC36998  Persicaria amphibia M. S. Taylor 1982-8-10 4956 Plumas Emergent in s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 1371 Comment
  CAS-BOT-BC413732  Persicaria hydropiper John Thomas Howell 1951-8-19 28164 Plumas Near Belden 670 Comment
  CAS-BOT-BC419039  Persicaria lapathifolia Lowell Ahart 1981-9-6 3095 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC419041  Persicaria lapathifolia John Thomas Howell 1959-9-26 35072 Plumas Feather River Canyon. Ca. 1.5 mi. w. of Belden 682 Comment
  CAS-BOT-BC419232  Persicaria maculosa David D. Keck 1932-7-3 1665 Plumas Quincy, in the Northern Sierra Nevada. 1065 Comment
  SEINET4335752  Persicaria maculosa E. K. Balls 1950-8-31 15544 Plumas Spanish Creek, off Hwy 24, just north of Quincy 1067 Comment
  CHSC31264  Petrorhagia dubia R. K. Rabeler 1980-8-9 514 Plumas Plumas National Forest. On side of dirt road by Murphy Creek, 10 m W of CA 70, 3.5 km (2.2 mi) W of Belden Power House, Belden. Comment
  JEPS2083  Phacelia heterophylla subsp. virgata W. L. Jepson 1910-6-16 4138 Plumas near Keddie 1066 Comment
  SEINET10902915  Phacelia humilis Mary Susan Taylor 1981-6-16 Taylor 3913 Plumas T23N R13E ne/ne sec 8. Grizzly Valley quad. n side of 23N88, a loop road off rd 24N07, ca. 3/4 mi NW of Smith Peak Lookout, ca. 7 air mi NE of Blairsden. 6800 ft elev. 2073 Comment
  CHSC58501  Phacelia hydrophylloides Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway, Joa 1992-7-1 5046 Plumas Near the entrance of Lakes Basin Campground, ca. 5 mi (air) SSW of Graegle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  SEINET10496977  Phacelia linearis Mary Susan Taylor 1982-6-10 Taylor 4619 Plumas T23N R15E nw/sw sec 7. Reconnaissance Peak quad. SW of 23N72, ca. l mi w of Table Rock, ca. 3 air mi ne of Beckwourth. 5100 ft. 1554 Comment
  UC185300  Phacelia linearis Katharine Brandegee Plumas Portola Comment
  CHSC43328  Phacelia mutabilis Lowell Ahart 1976-7-7 1160 Plumas Along Cold Water Creek, east of the camp, about 1/10 mile south of Arkansas Ravine, about 4 miles south of Grizzly Mountain. 1767 Comment
  JEPS26735  Phacelia mutabilis P. C. Hutchison 1961-6-9 2109 Plumas hwy US Alt. 40 at bridge 2 mi s (below) Rich Bar; canyon of the North Fork of the Feather River Comment
  SEINET12249489  Phacelia mutabilis Unknown 1976-1 1161 Plumas by Cold Water Creek, ca 4 mi S of Grizzly Mt 1524 Comment
  CHSC107437  Phacelia purpusii Matt Simenc; N. Habecker, T. Hanson, M. Williams 2011-6-28 4 Plumas Northern High Sierra Nevada. Growing on the exposed S/SE facing ridge top and edges of Goat Mountain in scree and in cracks. 1680 Comment
  CHSC73783  Phacelia racemosa B. Castro 1997-6-9 728 Plumas Ca 4.5 air mi W of Little Grass Valley Reservoir, on N flank of Camel Peak, approx. halfway between the peak and USFS Rd 22N25, on E side of jeep Rd 22N50X which climbs the peak. 1694 Comment
  JEPS28672  Phacelia racemosa George W. Gillett 1957-7-13 746 Plumas gullies near trail up the Flatiron from Drakesbad (near juncture of Bench Lake and Devils Kitchen trails); Lassen Volcanic National Park 1859 Comment
  CDA17251  Phleum pratense G. F. Hrusa, S. Gaimari, P. Kerr, M. Epstein, S. Winterton 2004-6-17 16278 Plumas Sierra Nevada; Butterfly Valley Botanical Area. Plumas National Forest. 1158 Comment
  UCD89641  Phleum pratense R. Tofsrud 1948-8-1 s.n. Plumas Near Quincy. Comment
  CHSC98355  Phlox diffusa L. P. Janeway 2007-5-20 8983 Plumas Northern High Sierra Nevada. Top of Red Hill. 1929 Comment
  CHSC117488  Phlox douglasii Lowell Ahart 2016-6-29 21070 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. 1857 Comment
  JEPS127322  Phlox douglasii Lowell Ahart 2016-6-29 21070 Plumas Top of Table Mountain, about 2 miles (air) northwest of Tamarack Flat, about 4 miles (air) northwest of Little Grass Valley Reservoir Dam. Comment
  UC908606  Phlox gracilis Herbert L. Mason 1924-6-18 1049 Plumas near Feather River; Graeagle Comment
  UC726852  Phlox gracilis A. A. Heller 1938-5-21 15101 Plumas n of Chester 1304 Comment
  SBBG6055  Phlox speciosa H. and M. Dearing 1939-5-9 3320 Plumas near Quincy Comment
  CDA14134  Phlox speciosa subsp. occidentalis G. F. Hrusa 1997-5-3 13824 Plumas Sierra Nevada; E side of Rattlesnake Creek, S of Hwy 70 approx. 15 mi. E of Quincy. Comment
  RSA518808  Phlox speciosa subsp. occidentalis Barbara Ertter, Gary Schoolcraft 1989-7-3 8665 Plumas Diamond Mountain Peak, ca. 7 airmiles S of Susanville 2317 Comment
  CDA25094  Phoenicaulis cheiranthoides G. D. Barbe 1982-6-9 3666 Plumas Southeast and below Thompson Peak, overlooking Honey Lake Valley; Plumas National Forest. Comment
  CHSC102061  Phoradendron libocedri Lowell Ahart; John Dittes 2009-7-15 16087 Plumas On Calocedrus decurrens, on the northwest side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 miles (air) southeast of Butt Valley Reservoir Dam. 1702 Comment
  CAS-BOT-BC58834  Phyllodoce breweri C. C., Mrs. Bruce 1898-1-1 1229 Plumas Near Cinder Cone Comment
  CAS-BOT-BC58835  Phyllodoce breweri Rimo Bacigalupi 1927-7-7 1653 Plumas Upper reaches of trail between Gray Eagle Valley and Song Lake Comment
  RSA184945  Physocarpus capitatus L. S. Rose 1966-7-27 66064 Plumas Butterfly creek and Spanish creek, 1 mile south of Keddie. stream banks. 991 Comment
  SD6469  Pinus albicaulis Mrs. R. M. Austin Unknown Plumas Comment
  SFV10660  Pinus contorta subsp. murrayana M. L. Vincent 1964-4-10 557 Plumas Sierra Nevada Highway 89, 1 mile east of Chester. 1380 Comment
  SJSU735  Pinus contorta subsp. murrayana A. Retan 8/1941 Plumas Bucks Lake 1572 Comment
  UC485734  Pinus contorta subsp. murrayana H. F. Copeland 1932-8-24 Plumas Drakesbad Comment
  POM181869  Pinus contorta var. murrayana J. G. Lemmon 1889-06 s.n. Plumas Sierra Valley Comment
  RSA795725  Pinus contorta var. murrayana L. Ahart, John Dittes, Josephine Guardino 2009-7-22 16146 Plumas Meadow on the west side of Forest Service Road 27N92K, east side of Long Valley, about 3.5 air miles west-southwest of Greenville, about 5.2 air mile southeast of Lake Almanor Dam. 1607 Comment
  CDA530  Pinus jeffreyi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-23 3103 Plumas South shore of Round Valley Reservoir. 1 mi W of dam on Dixie Canyon-Round Valley Rd. Comment
  CAS-BOT-BC73080  Pinus lambertiana Harry P. West 1920-5-17 s.n. Plumas Greenville Comment
  RSA59457  Pinus monticola E. K. Balls 1950-9-2 15653 Plumas Slightly below Mt. Ingalls Lookout on south slope, north of Grizzly Valley. 2485 Comment
  UC1351098  Pinus monticola E. Fritz 1936-7-12 8224 Plumas Plumas County 335 Comment
  SEINET10530535  Pinus monticola Lowell Ahart, James D. Jokerst 1985-10-4 Ahart 5190 Plumas About 1 mile west of Pilot Peak, about 9 miles north-east of La Porte. Comment
  SEINET10530537  Pinus monticola Mary Susan Taylor 1980-11-2 Taylor 3366 Plumas T25N R12E center border sec 28/27, Blairsden quad. Plumas Natl Forest, Mt. Ingalls. With E. Pierce. 2552 Comment
  SEINET8060071 Image available Pinus monticola Joseph Andorfer Ewan 1934-7-16 8505 Plumas Bear Lake, Mt. Uwell trail above Bear Lake Comment
  CHSC101943  Piperia unalascensis Lowell Ahart; John Dittes 2009-7-13 16050 Plumas On dry soil, on the west side of Forest Service Road 27N98, headwater of Clear Creek, about 2.0 miles (air) north of Butt Valley Reservoir Dam, about 3 miles (air) southwest of Lake Almanor Reservoir Dam. 1476 Comment
  CAS-BOT-BC230971  Plagiobothrys hispidulus Lowell Ahart 1985-7-11 5141 Plumas Little Grass Valley Reservoir, where Black Rock Creek flows into the lake, about 4 miles NW of La Porte 1584 Comment
  CAS-BOT-BC230980  Plagiobothrys hispidulus Walter Knight; et al. 1967-6-12 2003 Plumas The Butterfly Botanical Area and Vicinity. Area near pond reservoir 1127 Comment
  CAS-BOT-BC230989  Plagiobothrys hispidulus Mary Strong Clemens 1920-6-21 s.n. Plumas Quincy Comment
  CHSC82453  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2002-7-2 9824 Plumas In a logged over area on the south side of Forest Road 22N94, east of Forest Road 22N94E, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1606 Comment
  JEPS108896  Plagiobothrys hispidulus Lowell Ahart 2006-7-9 12926 Plumas Near a small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  CAS-BOT-BC230975  Plagiobothrys hispidulus Lowell Ahart 1979-7-18 s.n. Plumas About 2 miles W of Pilot Peak, along road to Cleghorn Bar. About 12 miles N of La Porte 1800 Comment
  JEPS28667  Plagiobothrys hispidus George W. Gillett 1957-7-23 891 Plumas Summit of Mt. Harkness Lassen Volcanic National Park 2446 Comment
  CAS-BOT-BC228461  Plagiobothrys mollis John Thomas Howell 1961-9-25 36950 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC228465  Plagiobothrys mollis Frank W. Peirson 1926-6-21 6803 Plumas Open strip of land between forest and lake on the N shore, Lake Almanor 1447 Comment
  CHSC118659  Plagiobothrys mollis Chelsea Morgan 2015-7-23 2015029 Plumas Plumas National Forest. Located along the northeast shore of Antelope Lake, east of Forest Service road 27N19Y. UTM 705875 E, 4451368 N, NAD83 Zone 10N. 1525 Comment
  CHSC63699  Plagiobothrys mollis var. mollis Vernon H. Oswald 1994-9-6 6475 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  RSA769814  Plagiobothrys scouleri var. cusickii L. Ahart 2008-9-10 15394 Plumas Below high water line of Little Grass Valley Reservoir, north of the South Fork of the Feather River, southwest of the horse camp, about 4.5 air miles north of La Porte 1538 Comment
  RSA718443  Plagiobothrys scouleri var. hispidulus L. Ahart 2006-7-9 12926 Plumas About 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir. 1679 Comment
  UCD124601  Plantago lanceolata Robbins; Raynor 1943-6-1 s.n. Plumas Belden. Comment
  JEPS113428  Plantago major Lowell Ahart, John Dittes 2007-6-17 14183 Plumas Along Red Clover Creek, about 30 yards east of County Road 111 (Beckwourth Genesee Road), about 1/4 mile east of bridge across Red Clover Creek, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis 1654 Comment
  CHSC34314  Plantago major var. scopulorum L. Ahart 1981-9-6 3079 Plumas On a sandbar along Indian Creek, ca. 1/2 mi sw of jct of Hwy 89 and Arlington Rd, ca. 1.5 mi sw of Crescent Mills. 1200 Comment
  UCD139004  Platanthera dilatata var. leucostachys B. Castro; L. P. Janeway 1987-7-17 140 Plumas ca. 6 miles west of Clio via Hwy 70/89, off USFS Rd. 22N98 at a spring site. 1584 Comment
  CHSC21165  Platanthera leucostachys M. S. Taylor 1975-7-15 293 Plumas In Butterfly Botanical Area, ca. 10 mi nw of Quincy, on Hwy 70. 1219 Comment
  UC1609145  Platanthera leucostachys Vernon H. Oswald and Lowell Ahart 1993-8-3 5764 Plumas ca 0.25 mi e Hay Meadow (n side of unnamed lake, on the s edge of the Caribou Wilderness, near the n end of 30N25, ca 9 mi (air) n of Lake Almanor); Caribou Wildernes 1926 Comment
  UC586917  Platanthera leucostachys Joseph Andorfer Ewan 1934-6-25 8221 Plumas Gold Lake Road above Dentens (Blairsden); Sierra Nevada 1524 Comment
  UC924256  Platanthera leucostachys H. S. Reed 1941-8-2 Plumas Forest Lodge 1036 Comment
  RSA101489  Platanthera leucostachys R. Weatherby 1955-6-26 1558 Plumas Near Lakes Ranger Station, Lakes Basin. 1982 Comment
  UC170985  Pleuricospora fimbriolata H. M. Hall 1912-6-29 9297 Plumas Meadow Valley 1219 Comment
  UCD92212  Poa W. A. Wagner 1919-5-25 265 Plumas Squirrel Creek, vicinity of Quincy. 1584 Comment
  CDA14773  Poa bolanderi G. D. Barbe, J. T. Howell, T. C. Fuller 1981-6-26 3368 Plumas Grizzly Summit 6 miles west of Bucks Lake on Spanish Ranch-Buteet County Road. 0 Comment
  JEPS95297  Poa bolanderi Lowell Ahart 1994-7-7 7449 Plumas N side of Pacific Crest Trail, Bunker Hill Ridge, about 3/4 air miles SE of Pilot Peak 1828 Comment
  CHSC87855  Poa bulbosa Lowell Ahart; John Dittes, Josephine Guardino, Robert Schlising 2004-6-14 11068 Plumas On the north margin of the dirt road (Forest 24N10), about 1/4 mile west of Cow Creek, west of Lake Davis, about 9 1/4 miles northeast of Slote. 1796 Comment
  UCD94972  Poa bulbosa var. vivipara Michael A. Vincent 1999-6-7 8538 Plumas Along FS Rt. 176 and Chance Creek at bridge, 7.1 miles north of CA Rt. 70. Comment
  CAS-BOT-BC255103  Poa compressa John Thomas Howell 1959-9-24 34899 Plumas Crescent Mills 1066 Comment
  CHSC102043  Poa compressa Lowell Ahart; John Dittes, Josephine Guardino 2009-7-29 16230 Plumas On dry to damp bare soil, below the high water line of Lake Almanor, 1,849 feet northwest of Lake Almanor Dam. 1591 Comment
  CHSC96859  Poa compressa Lowell Ahart; John Dittes, Josephine Guardino 2007-6-8 14030 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis. 1763 Comment
  JEPS113802  Poa compressa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14030 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  JEPS122170  Poa compressa Lowell Ahart 2014-8-20 19714 Plumas High edge of Lake Almanor, about 200 yards north of the causeway across Lake Almanor, about 1 1/4 miles east of Chester. Comment
  CAS-BOT-BC255125  Poa cusickii E. Sawyer 1935-5-22 26 Plumas 3.25 miles ENE of Beckwith Butte (ca. 2 miles S of Beckwith) 1493 Comment
  CHSC100868  Poa cusickii subsp. cusickii L. P. Janeway; B. Castro 2008-6-8 9400 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  CHSC100878  Poa cusickii subsp. cusickii L. P. Janeway; B. Castro 2008-6-8 9395 Plumas Northern High Sierra Nevada. Northeast side of middle of Lower Thompson Valley, about 1.8 km north of Red Clover Creek and about 10 m northeast of the Thompson Valley Creek. 1670 Comment
  CHSC96933  Poa cusickii subsp. cusickii Lowell Ahart; John Dittes, Josephine Guardino 2007-6-9 14052 Plumas About 100 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis. 1857 Comment
  UCD90940  Poa cusickii subsp. epilis A. A. Heller 1942-5-8 16464 Plumas West of Vinton. 1524 Comment
  SEINET10834530  Poa fibrata Billy Joe Cox 1969-8-18 Cox 3423 Plumas Collected from dry sagebrush desert. 1/2 mi W of Beckworth Pass. Comment
  CAS-BOT-BC247278  Poa palustris John Thomas Howell 1951-6-28 27648 Plumas Johnsville 1584 Comment
  CAS-BOT-BC247391  Poa pratensis Javier Penalosa 1962-6-19 2498 Plumas Hwy. 40-89, +-6.2 mi. SE of Quincy 1097 Comment
  UCD91819  Poa pratensis A. A. Beetle 1941-6-28 2768 Plumas west side of Lake Almanor. 1828 Comment
  SEINET10888201  Poa pratensis Alan A. Beetle 1941-6-28 Beetle 2792 Plumas 5 miles west of Chester on rte. 36; open meadow near creek. Assoc. Elymus triticoides, Ranunculus. 1829 Comment
  JEPS110423  Poa pratensis subsp. pratensis Lowell Ahart 2006-7-9 12925 Plumas Small seep, about 100 yards north of the paved basalt road, about 3 3/4 miles (air) northwest of Tamarack Flat, about 5 3/4 miles (air) northwest of Little Grass Valley Reservoir 1678 Comment
  UC1132723  Poa pratensis subsp. pratensis F. W. Embree 1934-6-12 103 Plumas w end Haskins Valley; Plumas Nat'l Forest, Bidwell Bar Quadrangle Comment
  SEINET10659349  Poa scabrella Mary Susan Taylor 1982-6-14 Taylor 4655 Plumas T27N R12E sw1/4 nw1/4 sec 12. Antelope Lake quad. In wet montane meadow, Pioneer Meadow, e side of Antelope Lake, ca. 12 mi ne of Taylorsville. With Potentilla gracilis nuttallii. 1536 Comment
  UC1024661  Poa secunda subsp. juncifolia Leo Whitney 1934-8-10 2188 Plumas ca 10 mi nw Portola; Plumas Nat'l Forest, Big Grizzly Valley 1828 Comment
  UC1132619  Poa secunda subsp. juncifolia E. Sawyer 1935-6-6 178 Plumas 5 1/4 mi ssw Sugarloaf; Sierraville Quadrangle Comment
  CAS-BOT-BC242964  Poa secunda subsp. secunda David D. Keck 1944-7-8 5441 Plumas S end of Lake Almanor, E side of dam 1341 Comment
  CAS-BOT-BC242986  Poa secunda subsp. secunda John Thomas Howell 1961-6-21 36644 Plumas Greenville 1097 Comment
  CHSC41268  Poa secunda subsp. secunda J. D. Jokerst 1984-5-13 2005 Plumas East end of Genesee Valley, Canyon of Indian Cr. N of creek, S of Indian Cr. Rd. 1249 Comment
  CHSC57466  Poa secunda subsp. secunda L. P. Janeway 1991-6-18 4051 Plumas Plumas National Forest. 3 1/2 mi southwest of Portola, ca 400 ft west of Middle Fork Feather River. 1487 Comment
  CHSC57467  Poa secunda subsp. secunda L. P. Janeway; Garrett Gibson 1991-6-24 4059 Plumas Plumas National Forest. North end of McReynolds Valley, ca 0.8 mi south of the '01' road in Squaw Valley. Meadow. 1691 Comment
  UCD91654  Poa secunda subsp. secunda John Thomas Howell 1975-6-16 51151 Plumas Sierra Nevada. 2 miles NW of Spring Garden. 1173 Comment
  SEINET7294077 Image available Poa secunda subsp. secunda A. A. Heller, P. B. Kennedy 1907-1 8751 Plumas Red Clover valley Comment
  SEINET10479601  Polygonum amphibium var. emersum Mary Susan Taylor 1982-8-9 Taylor 4956 Plumas T27N R8E nw/nw sec 28. Almanor NE quad. N side of Hwy 89, s end of Lake Almanor, ca. 1 mi w of Canyon Dam. 4500 ft. 1372 Comment
  CHSC92178  Polygonum aviculare Lowell Ahart; John Dittes 2005-9-19 12410 Plumas Along the east side of a good dirt road, about 1 1/4 miles southeast of Kettle Rock, about 1 1/4 miles southeast of Taylor Lake. 1986 Comment
  CAS-BOT-BC414046  Polygonum aviculare subsp. aviculare Clare B. Hardham 1970-8-9 17716 DD Plumas Road to Thompson Peak Lookout 2133 Comment
  JEPS87770  Polygonum bistortoides Lowell Ahart 1994-6-12 7321 Plumas w side of Faggs Mine Rd near Cedar Flat (sw of a small branch of Willow Creek, about 1 1/4 air mi s of Bucks Lake) 1706 Comment
  CAS-BOT-BC414574  Polygonum douglasii George W. Gillett 1957-7-18 821 Plumas Lassen Volcanic National Park. North end of Willow Lake Meadow, near the main inlet 1661 Comment
  SEINET3405777 Image available Polygonum douglasii Lewis S. Rose 1967-7-9 67142 Plumas Quincy 1036 Comment
  CHSC32015  Polygonum douglasii subsp. douglasii L. Ahart 1974-8-3 582 Plumas In small meadow, above Hopkins Creek, near Mt. Etna, ca. 10 mi ne of La Porte. 1828 Comment
  SEINET4337706  Polygonum kelloggii var. kelloggii A. A. Heller, P. B. Kennedy 1907-7-5 8745 Plumas Hills above Red Clover Valley Comment
  UC1111532  Polygonum polygaloides subsp. confertiflorum Herbert L. Mason 1957-6-21 14700 Plumas vernal pool e Beckwourth Butte; Sierra Valley Comment
  CAS-BOT-BC420050  Polygonum polygaloides subsp. kelloggii Lowell Ahart 1981-7-21 2975 Plumas About 1.5 miles west on Cleghorn Bar Road, about 2 miles west of Pilot Peak. 1900 Comment
  CAS-BOT-BC420049  Polygonum polygaloides subsp. kelloggii D. E. Breedlove 1962-6-12 3432 Plumas Along State Highway 36, 6.9 miles west of Chester 1524 Comment
  CAS-BOT-BC420059  Polygonum polygaloides subsp. kelloggii John Thomas Howell; H. Keith Wagnon 1980-5-27 53626 Plumas About 1.5 miles northwest of Almanor (near intersection of Highway 89 and Humboldt Road) 1389 Comment
  CAS-BOT-BC420062  Polygonum polygaloides subsp. kelloggii Clarence R. Quick 1962-6-20 62 37 D Plumas Cottonwood Creek crossing, SW of Humbug Valley SW of Lake Almanor Comment
  CDA18754  Polygonum sawatchense subsp. oblivium G. D. Barbe, T. C Fuller 1982-7-16 3762 Plumas Plumas National Forest; Lava Cap ridge 1.5 mi. W of Wheeler Peak and 1 mi. S of Beardley Mine on forest road 3.8 mi. S of Green Flat. 1981 Comment
  CAS-BOT-BC421042  Polygonum spergulariiforme L. P. Janeway 1993-8-26 4547 Plumas Plumas National Forest, Beckwourth Ranger District. Northwest corner of Sierra Valley; 1 mi west of Beckwourth and 4 mi east of Portola. On south side of Middle Fork Feather River. 1484 Comment
  CAS-BOT-BC71845  Polypodium californicum J. G. Lemmon 1880-1-1 s.n. Plumas Sierra Valley Comment
  CAS-BOT-BC232940  Polypogon W. Harnach; N. Harnach 1989-5-27 121 Plumas Within 6 inches of the water at the head of the hot wells on N side of Marble Lane 1489 Comment
  SEINET10593696  Polypogon monspeliensis Mary Susan Taylor 1982-8-27 Taylor 5072 Plumas T23N R14E S 1/2 ne1/4 sec 28. Portola quad. Along river in moist areas; Ramelli Ranch, where Feather River crossed RR tracks, ca. 1.5 mi sw of Beckwourth. With Artemisia biennis, Bidens cernua 1487 Comment
  CHSC52759  Polystichum imbricans subsp. imbricans L. P. Janeway 1990-9-28 3854 Plumas West Branch Soda Creek 0.4 mi N of East Branch North Fork Feather River and Hwy 70; vicinity of Paxton. 914 Comment
  CAS-BOT-BC72359  Polystichum imbricans subsp. imbricans John Thomas Howell 1959-9-26 35041 Plumas Slaty Rocks near Keddie 1005 Comment
  UCD150216  Polystichum kruckebergii G. Ledyard Stebbins 1968-8-1 6847 Plumas East Slope of Grizzly Peak, southwest of Taylorsville. (Exact location unknown. Coordinates estimated by label maker. Note: this location taken from Stebbins's notebook. Location given on label made by Stebbins is: Devil's Punchbowl, on Grizzly Mountain, north of Quincy. Date in notebook is 3 Aug 1968 and date on label is 1 Aug 1968. Elevation in notebook is 7500 ft. and elevation on label is 7300 ft.) 2225 Comment
  SEINET10530124  Polystichum lemmonii Mary Susan Taylor 1982-6-9 Taylor 4617 Plumas T24N R8E nw/nw sec 13. Bucks Lake NE quad. S side of Bucks Lake Rd, just e of Deanes Valley Rd, ca. 1.0 mi nw of Meadow Valley. 3700 ft. On serpentine. 1128 Comment
  CAS-BOT-BC72508  Polystichum scopulinum John Thomas Howell; Gordon H. True 1967-7-11 43349 Plumas Summit ridge of Mt. Hough 2194 Comment
  CHSC84996  Polystichum scopulinum Lowell Ahart 2003-10-17 10654 Plumas Cliffs north of Humboldt Peak, on the south side of the Pacific Crest Trail, about 1/2 mile east of Humboldt Summit, about 8 miles (air) northeast of Butte Meadows. 2042 Comment
  JEPS104160  Polystichum scopulinum Lowell Ahart 2003-10-17 10654 Plumas Cliffs n of Humboldt Peak, on the south side of the Pacific Crest Trail, ca 1/2 mi e of Humboldt Summit, ca 8 mi (air) ne of Butte Meadows. 2042 Comment
  CAS-BOT-BC102701  Populus tremuloides Elmer I. Applegate 1929-6-21 5786 Plumas Warner Valley, Mount Lassen region Comment
  UC1134791  Populus tremuloides C. W. Hanks 1934-8-10 41 Plumas Canyon bottom ne Sierra Valley; Plumas National Forest, Sierraville Quad. Comment
  SEINET10539162  Populus tremuloides Mary Susan Taylor 1981-7-27 Taylor 4124 Plumas T25N R12E SW 1/4 NE 1/4 sec 25. Grizzly valley quad. Along spring crossing. Beckworth-Genesse Rd., between Crystal and Meadow Creeks, ca. 2 mi S of Notson Bridge, ca. 17 air mi NE of Blairsden. 5700 ft. 1757 Comment
  SEINET10460771  Porterella carnosula Quick 1950-6-18 QUICK 50 -16 Plumas 2.7 miles west of Almanor Inn, on south shore of Lake Almanor Comment
  CHSC20817  Potamogeton illinoensis K. R. Stern 1975-7-25 5831 Plumas NW shore of Lake Almanor. 1371 Comment
  CAS-BOT-BC453791  Potamogeton natans Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1507 Plumas Butterfly Botanical Area and Vicinity 1097 Comment
  CAS-BOT-BC453795  Potamogeton natans Lowell Ahart 1980-9-17 2654 Plumas 1/2 mile west of Fowler Pk. 1600 Comment
  CAS-BOT-BC143428  Potentilla Clare B. Hardham 1978-8-11 21759 Plumas About 5 miles southeast of Thompson Peak Comment
  RSA0089042  Potentilla ashlandica Bonnie C. Templeton 1968-6-9 11249 Plumas Butterfly Valley, ca. 10 mi. west of Quincy. 1066 Comment
  POM147079  Potentilla glandulosa Alice Eastwood 1927-06 14639 Plumas United States Forest Reserve, Road from Long Valley to Greenville Comment
  CHSC43734  Potentilla glandulosa subsp. ashlandica Vernon Oswald 1986-7-10 2194 Plumas Forest Service Rd. (Pacific Crest Trail) 1.9 mi w of LaPorte-Quincy Rd. Roadside. 1859 Comment
  CHSC58039  Potentilla glandulosa subsp. glandulosa Vernon H. Oswald; Lowell Ahart 1992-6-2 4973 Plumas Lassen Volcanic National Park. Quarter section of land at the W end of Forest Rd. 29N75 on Kelly Mtn., ca. 0.75 mi (air) WSW of Kelly Camp in Warner Valley. 1792 Comment
  RSA611286  Potentilla glandulosa subsp. hansenii Joseph A. Ewan 1934-7-17 8533 Plumas Ready Bullion Mine, Bear Lake, Mt. Elwell Region. 1982 Comment
  CAS-BOT-BC141636  Potentilla gracilis var. elmeri Alice Eastwood 1927-6-12 14509 Plumas Forest Camp - United States Forest Reserve Comment
  CAS-BOT-BC540071  Potentilla gracilis var. fastigiata Mrs. Jos. Clemens 1920-8-16 s.n. Plumas Homer Lake near Greenville Comment
  CAS-BOT-BC540075  Potentilla gracilis var. fastigiata Anna Head 1920-7-25 s.n. Plumas Lake Center 1920 Comment
  CAS-BOT-BC540080  Potentilla gracilis var. fastigiata Anna Head 1921-8-5 s.n. Plumas Gold Lake 1981 Comment
  CAS-BOT-BC540412  Potentilla gracilis var. fastigiata Walter Knight; Irja Knight 1966-6-18 1337 Plumas Sierra Nevada, Butterfly Valley near overnight camp 1173 Comment
  RSA712806  Potentilla millefolia L. P. Janeway 2005-6-12 8418 Plumas East side of Feather River Meadows, 0.8 km N of Rice Creek and North Fork Feather River confluence. 1631 Comment
  CHSC20816  Potentilla rivalis K. R. Stern 1975-7-23 5830 Plumas W shore of Lake Almanor. 1371 Comment
  JEPS113758  Potentilla rivalis Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 14037 Plumas Strand of Lake Davis, southeast of the end of the road, north end of Lake Davis 1763 Comment
  CAS-BOT-BC531758  Potentilla rivalis W. Harnach; N. Harnach 1990-7-6 466 Plumas Sierra Valley, on the first corner E of county rd. A-23 on Marble Lane 1487 Comment
  CHSC35280  Poteridium annuum M. S. Taylor; M. Foster 1981-6-2 3823 A Plumas N side of Hwy 70, on e side of Squirrel Creek, ne of Spring Garden overpass, ca. 7.5 mi se of Quincy. 1219 Comment
  POM287690  Primula suffrutescens Lyman Benson s.n. Plumas Sierra Nevada Range, Feather River 2439 Comment
  RSA59452  Prunus emarginata E. K. Balls 1950-9-2 15657 Plumas South slope of Mt. Ingalls on road to lookout, North of Grizzly Valley. 2134 Comment
  CAS-BOT-BC154849  Prunus virginiana var. demissa Mrs. A. L. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  CHSC52533  Prunus virginiana var. demissa L. P. Janeway 1990-6-8 3709 Plumas Plumas National Forest. North side of Long Valley opposite Sloat, ca 3/4 mi N of Hwy 70/89; bottom of drainage between Little Long Valley Creek and Rattlesnake Creek. 1356 Comment
  SEINET7412554  Prunus virginiana var. demissa M. Ferguson, D. Matthews, C. Hoffman, J. Jaggers, B. Kalb, A. Onisko 2011-10-3 s.n. Plumas Grizzly Creek Ranch, near riparian area. Comment
  CAS-BOT-BC154850  Prunus virginiana var. demissa Mrs. H. C. Cantelow 1940-5-12 s.n. Plumas 10 1/2 miles north of Quincy, Hy. 24 Comment
  CAS-BOT-BC357348  Pseudognaphalium microcephalum John Thomas Howell 1966-7-26 42000 Plumas Injun Jim Campground at confluence of Granite Creek and North Fork of Feather River 609 Comment
  CAS-BOT-BC361680  Pseudognaphalium thermale John Thomas Howell 1975-7-22 51352 A Plumas 2 miles northwest of Spring Garden 1173 Comment
  JEPS115337  Pseudognaphalium thermale Lowell Ahart, John Dittes 2009-9-7 16377 Plumas Below the high water line of Lake Almanor, about 2000 feet northwest of Lake Almanor Dam 1591 Comment
  RSA756864  Pseudostellaria jamesiana Barbara Ertter 2001-7-21 17782 Plumas Southeast Diamond Mountains northeast of Frenchman Lake, south branch of Galeppi Creek north of rhyolite plug. 2149 Comment
  UC1192097  Psilocarphus brevissimus var. brevissimus Malcolm A. Nobs and S. Galen Smith 1949-8-18 1375 Plumas just s Chester (at n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  CHSC97471  Psilocarphus tenellus var. tenellus Lowell Ahart; John Dittes 2007-6-16 14085 Plumas Graded road gutter, east of the small stream, on the south side of County Road 111 (Beckwourth Genesee Road), 50 yards east of Forest Road 24N08, Red Clover Valley, about 2 miles (air) north of the north end of Lake Davis. 1647 Comment
  SEINET5715485 Image available Pteridium aquilinum var. pubescens James I. Mallory 1969-1 355 Plumas 1.5 miles NNW of Camel Peak and 9 miles WNW of La Porte, Plumas National Forest.; Camel Peak 1524 Comment
  HSC101677  Pterospora andromedea Dillon North Davis 2013-7-10 37 Plumas 9.1 miles south on FS Road 25N17 from intersection with Highway 70, ~200 m south of large hairpin turn Comment
  SEINET10940284  Pterospora andromedea Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4017 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  CAS-BOT-BC147871  Purshia tridentata var. tridentata Anna Head 1921-6-22 s.n. Plumas Campbells Hot Springs, Feather River Region Comment
  CAS-BOT-BC147875  Purshia tridentata var. tridentata Mrs. Jos Clemens 1919-10-29 s.n. Plumas Crystal Lake Comment
  CAS-BOT-BC147880  Purshia tridentata var. tridentata John Thomas Howell 1959-9-24 34926 Plumas Junction of Indian and Spanish creeks 914 Comment
  CHSC33881  Pycnanthemum californicum M. S. Taylor 1981-7-21 4086 Plumas Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, ca. 3 air mi n of Spring Garden. 1371 Comment
  CHSC64100  Pycnanthemum californicum B. Castro; L. P. Janeway 1987-7-17 147 Plumas Butterfly Valley Botanical Area, on SE-facing slope. 1188 Comment
  CAS-BOT-BC462897  Pyrola asarifolia Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-7-10 2236 Plumas Butterfly Botanical Area and Vininity: Fern Glen 1097 Comment
  CHSC58508  Pyrola asarifolia subsp. asarifolia Vernon H. Oswald; Lowell Ahart, Linnea Hanson, Lawrence Janeway 1992-7-1 5043 Plumas Grass Lake located just W of Lakes Basin Campground, ca. 5 mi (air) SSW of Graeagle via Gold Lake Forest Hwy. (County Rd. 519). 1926 Comment
  CHSC33935  Pyrola dentata M. S. Taylor; M. Foster 1981-7-14 4011 Plumas Saddle at head of Bullfrog Ravine, along rd 26N18, 3 air mi nw of Indian Falls. 1584 Comment
  CAS-BOT-BC462779  Pyrola dentata A. A. Heller; P. B. Kennedy 1907-7-8 8764 Plumas Grade between Greenvile and Prattville Comment
  CAS-BOT-BC462781  Pyrola dentata Alice Eastwood 1927-6-12 14527 Plumas US Forest Reserve. Forest Lodge near Greenville Comment
  CAS-BOT-BC462785  Pyrola dentata F. B. Cayot 1913-8-12 19219 Plumas Three Mile Valley, Plumas Forest 1828 Comment
  CHSC66623  Pyrola picta Vernon H. Oswald; Lowell Ahart 1996-7-15 8021 Plumas E side of the arm of Lake Almanor extending N from the Hwy. 36 causeway, S of the point where the road to Last Chance Campground (28N11) begins to parallel the lake. Along a Jeep road paralleling the shore of the lake. 1371 Comment
  RSA0084316  Pyrola picta Diana D. Jolles 2011-8-9 471 Plumas Plumas National Forest, about 2.5 miles up forest road 77 to Dixie Mountain Lookout from Frenchman Lake Road (284). 1994 Comment
  CAS-BOT-BC466102  Pyrola picta David D. Keck 1932-7-3 1643 Plumas Northern Sierra Nevada, Quincy, hillside S of town 1219 Comment
  SEINET10449207  Pyrola picta subsp. dentata Mary Susan Taylor, M. Foster 1981-7-14 Taylor 4012 Plumas T26N R9E ne sec 30 and nw sec 29, Almanor SE quad and Greenville SW quad. Saddle at head of Bullfrog Ravine, up to 1/4 mi E and W of rd 26N18, ca. 3 air mi NW of Indian Falls on Hwy 89; moist Coniferous Forest; 5200 to 5700 ft elev. 1585 Comment
  JEPS100325  Pyrrocoma carthamoides var. cusickii Dean W. Taylor 2001-7-12 17832 Plumas Diamond Mountains; Last Change Creek north of Frenchman Lake, along Forest Road 25N70 about 0.4 miles East from County Road 176 1725 Comment
  CAS-BOT-BC362283  Pyrrocoma lanceolata var. lanceolata John Thomas Howell 1951-8-20 28234 Plumas Sierra Valley, 3 miles east of Beckwourth 1524 Comment
  CAS-BOT-BC328157  Pyrrocoma lucida John Thomas Howell 1961-9-25 36957 Plumas Portola, Sierra Nevada 1478 Comment
  CAS-BOT-BC362344  Pyrrocoma racemosa var. paniculata Lewis S. Rose 1955-7-19 55147 Plumas Vinton 1505 Comment
  CHSC9719  Quercus chrysolepis Nancy Mosman 1971-7-11 86 Plumas Along w side of Hwy 70 ca. 0.2 mi s of the Belden turnoff. 1025 Comment
  UC1583942  Quercus chrysolepis G. Schoolcraft 1990-5-17 2056 Plumas about 1 mi w Crescent Mills 1463 Comment
  CAS-BOT-BC94264  Quercus garryana John Thomas Howell 1959-9-26 35067 Plumas near Virgilia 838 Comment
  JEPS37825  Quercus garryana var. semota W. L. Jepson 1910-6-18 4153 Plumas Belden North Fork of the Feather River Comment
  CAS-BOT-BC105313  Quercus kelloggii Alice Eastwood 1927-6-1 14590 Plumas United States Forest Reserve. Forest Lodge, Greenville Comment
  SEINET10431710  Quercus kelloggii D. Nyquist 1960-5-20 53 Plumas Quincy. Comment
  CAS-BOT-BC104590  Quercus vacciniifolia Lewis S. Rose 1932-9-5 32623 Plumas Rocky slope, Jamison Lake 1889 Comment
  CHSC21338  Quercus vacciniifolia F. T. Griggs; A. Pass 1975-7-7 86 Plumas Gold and Silver Lakes. Comment
  UCD47475  Quercus vacciniifolia John M. Tucker 1948-7-25 1748 Plumas West of mine of United Mining Company, southwest side of Camel's Peak, Plumas County, California. Comment
  JEPS103570  Ranunculus alismifolius var. alismellus Lowell Ahart 2002-6-26 9793 Plumas Growing along a small stream, ca 150 yards N of the gravel road, ca 1/4 mile (air) W of Lumpkin Ridge Road, ca 1 mile (air) SE of Tamarack Flat, ca 2 miles (air) NW of Little Grass Valley Reservoir dam, ca 5 miles (air) NW of La Porte. 1718 Comment
  UC1509629  Ranunculus alismifolius var. alismifolius L. and P. Ahart 1983-8-17 4338 Plumas near Onion Valley (w of Pilot Peak, near the Quincy-LaPorte Rd, ne of La Porte) 2000 Comment
  UC485116  Ranunculus alismifolius var. alismifolius K. N. Austin July 1896 396 Plumas Kings Valley Lassens Peak Comment
  CAS-BOT-BC379216  Ranunculus aquatilis John Thomas Howell 1962-6-19 37860 Plumas 5.5 mi E of Beckwourth Comment
  JEPS102519  Ranunculus aquatilis Lowell Ahart 2001-9-18 9287 Plumas Lake Davis, Freeman Creek 1758 Comment
  SEINET13710773  Ranunculus aquatilis Lowell William Ahart, Lowell William Ahart 2001-1 9287 Plumas Freeman Creek on Strand of Lake Davis (T24N, R13E, sec 29, NW 1/4) 5770 Ft. 1759 Comment
  UC827623  Ranunculus aquatilis var. capillaceus Miss T. V. Raphael Aug. 1917 Plumas Johnsville Comment
  CHSC81813  Ranunculus aquatilis var. diffusus Lowell Ahart 2001-10-16 9378 Plumas On the southwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CAS-BOT-BC378977  Ranunculus aquatilis var. diffusus Mrs. A. R. Coombs 1906-1-1 s.n. Plumas Prattville Comment
  SEINET7720819  Ranunculus cymbalaria Unknown Plumas Goose Lake Valley Comment
  RSA169423  Ranunculus occidentalis L. S. Rose 1963-6-3 63093 Plumas Butterfly Valley, 2 miles SW of Keddie. 1189 Comment
  SBBG121289  Ranunculus occidentalis var. occidentalis L. Ahart, J. Dittes 2007-6-16 14114 Plumas E of a small stream on the S side of County Rd 111 (Beckwourth Gensee Rd), 50 yards E of Forest Rd 24N08, Red Clover Valley, ca. 2 mi (air) N of the N end of Lake Davis 1647 Comment
  SD8186  Ranunculus orthorhynchus Mrs. R. M. Austin 1880-1 Plumas Big Meadows Comment
  CAS-BOT-BC74313  Raphanus sativus John Thomas Howell 1961-9-24 36925 Plumas Sierra Nevada. Beckwourth. 1487 Comment
  SD149111  Rhamnus John Thomas Howell, T. C. Fuller, G. D. Barbe 1981-6-25 54298 Plumas East side of Indian Valley just north of Taylorsville 1111 Comment
  UC870866  Rhamnus Mrs. E. C. Sutliffe Aug 1917 Plumas near Blairsden Comment
  RSA88509  Rhamnus alnifolia J. T. Howell 1951-6-27 27617 Plumas Jamison Creek 1829 Comment
  JEPS112916  Rhamnus rubra Dean W. Taylor 2001-8-2 17894 Plumas on northwestern flank Lexington Hill along Forest Road 21N15 ca. 0.3 miles N of junction of Forest Road 21N05Y (ca. 1.5 air mile W of La Porte) 1676 Comment
  RSA517192  Rhamnus rubra J. T. Howell 1975-6-16 51133 Plumas Transition zone coniferous forest, 2 miles NW of Spring Garden 1174 Comment
  UC1121939  Rhamnus rubra G. T. Nordstrom 1934-7-9 204 Plumas 1.25 mi s Mt. Ararat; Plumas National Forest, Bidwell Bar Quad. 1615 Comment
  SEINET10936273  Rhamnus rubra Mary Susan Taylor 1982-8-5 Taylor 4934 Plumas T25N R10E ne sec 8. Greenville SW quad. Around Crystal Lake, just below Mt Hough, ca. 7 air mi nne of Quincy. 6700 ft. 2042 Comment
  CAS-BOT-BC56575  Rhododendron columbianum Walter Knight; Irja Knight 1966-6-18 1289 Plumas Butterfly Valley 1143 Comment
  RSA286332  Rhododendron occidentale R. F. Thorne 1974-7-30 45000 Plumas Plumas National Forest, Butterfly Valley Botanical Area. 1174 Comment
  CHSC44976  Ribes K. R. Stern 1985-6-25 8249 Plumas Vicinity of Blairsden. Comment
  RSA97475  Ribes aureum Beecher Crampton 1954-5-11 1884 Plumas Five miles south of Vinton. Comment
  CAS-BOT-BC108712  Ribes cereum Clare B. Hardham 1975-8-2 20454 Plumas Sierra Nevada. Black Mountain. 2133 Comment
  CHSC60901  Ribes cereum var. cereum Vernon H. Oswald 1993-7-1 5629 Plumas Lassen Volcanic National Park. Ridge on the S side of Bonte Pk., just S of the summit. 2316 Comment
  CAS-BOT-BC169122  Ribes inerme var. inerme H. Albert Barker 1926-7-11 116 Plumas Feather River, Blairsden 1371 Comment
  CHSC81378  Ribes nevadense L. P. Janeway 1996-4-23 4956 Plumas Northern High Sierra Nevada. Soda Creek, along Road 25N22 200 ft northwst of Hwy 70 and East Branch North Fork Feather River. 890 Comment
  RSA0023144  Ribes nevadense L. Ahart, John Dittes 2009-7-15 16080 Plumas Along a small wash on the south side of Forest Service Road 26N671, northeast of Forest Service Road 26N67, about 2.8 air miles southeast of Butt Valley Reservoir Dam. 1703 Comment
  UC1127577  Ribes roezlii D. Axelrod 1934-6-4 4 Plumas American House Plumas National Forest, Downieville Quadrangle Comment
  CAS-BOT-BC186218  Ribes roezlii var. roezlii Anna Head 1921-7-11 s.n. Plumas Slopes of Indian Pk., Feather River Region Comment
  CAS-BOT-BC186228  Ribes roezlii var. roezlii Anna Head 1921-8-31 s.n. Plumas Near Gold Lake, Feather River Region Comment
  CHSC87612  Ribes roezlii var. roezlii Lowell Ahart; John Dittes, Josephine Guardino 2004-5-16 10915 Plumas On the east side of Forest Road 25N10, about 2 miles (air) west of Grizzly Peak, about 8 miles (air) northeast of Quincy. 1804 Comment
  CAS-BOT-BC168784  Ribes viscosissimum Rimo Bacigalupi 1923-6-14 s.n. Plumas At base of Mt. Fillmore on road between Gibsonville and Johnsonville, Sierra-Plumas Co. boundary. 1981 Comment
  CAS-BOT-BC363060  Rigiopappus leptocladus M. S. Taylor 1982-6-3 4604 Plumas W side of Poplar Creek Rd (23N08) just s of bridge over Poplar Creek, 1 mi s of Sloat 1280 Comment
  CHSC38013  Rorippa curvisiliqua var. orientalis M. S. Taylor 1981-5-10 3671 Plumas N side of Antelope Lake, ca. 1/4 mi e of Boulder Creek and USFS Work Center, ca. 20 mi ne of Taylorsville. 1536 Comment
  JEPS107497  Rorippa curvisiliqua var. orientalis Lowell Ahart, John Dittes 2005-9-19 12387 Plumas Below the high water line of Taylor Lake, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2080 Comment
  SD8271  Rorippa curvisiliqua var. orientalis Daniel Cleveland 1882-7-22 Plumas Under Bunnell Bridge, Prattville. Comment
  CHSC112543  Rorippa nasturtium-aquaticum B. Castro; L. P. Janeway 2008-6-7 1737 Plumas Upper Feather River Water Balance Study: Thompson Creek. Northern High Sierra Nevada. NE side of lower Thompson Valley 1.25 mi N of the mouth of McReynolds Creek at Red Clover Creek. 1670 Comment
  JEPS102845  Rosa californica Lowell Ahart 2001-10-16 9392 Plumas Old road that crossed Indian Creek, ca 10 yards east of the RR tracks, where RR has a bumper to start the signal lights on Arlington Road, ca 400 yards S of Arlington Road, ca 30 yards east of Highway 89, ca 1 1/2 miles S of Crescent Mills. 1066 Comment
  JEPS102353  Rosa gymnocarpa Lowell Ahart 2001-7-19 8944 Plumas about 2 1/2 air miles SE of Pilot Peak (Hopkins Creek, about 100 yds. NW of East Branch, about 1/2 air miles S of Turkey Town) 1828 Comment
  JEPS45671  Rosa gymnocarpa W. L. Jepson 1924-7-22 10605 Plumas Rich Point Middle Fork Feather River 914 Comment
  SD8427  Rosa gymnocarpa Mrs. R. M. Austin 1879-1 Plumas Big Meadows Comment
  CAS-BOT-BC149728  Rosa woodsii subsp. ultramontana Thomas H. Kearney 1944-8-14 72 Plumas Near Prattville, Lake Almanor Comment
  UCD128404  Rosa woodsii subsp. ultramontana Albert Grigarick 2012-7-8 329 Plumas Gray Eagle Trail. 1/2 mi N of Grass Lake. 1897 Comment
  JEPS104635  Rosa woodsii var. ultramontana Lowell Ahart 2003-8-8 10488 Plumas On the south side of Marble Lane, near a bridge, ca 2 1/4 mi (by road) e of Beckwourth Calpine Rd, ca 4 mi (air) se of Beckwourth, Sierra Valley. 1527 Comment
  JEPS45630  Rosa woodsii var. ultramontana W. L. Jepson 1918-8-16 8018 Plumas near Taylorville; Indian River 1097 Comment
  CHSC9715  Rubus armeniacus Nancy Mosman 1971-7-11 82 Plumas Ca. 10 ft from Feather River along road 0.5 mi s of Belden turnoff and Hwy 70. 1025 Comment
  CHSC40850  Rubus parviflorus K. R. Stern 1985-6-25 8279 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC107911  Rudbeckia occidentalis L. P. Janeway; B. Castro 2011-9-11 10718 Plumas Northern High Sierra Nevada. Between road 22N57 (the road around Little Grass Valley Reservoir) and Black Rock Creek just before it empties into the Reservoir. Steep south-facing slope of blocky basalt bedrock. 1570 Comment
  UC1140949  Rudbeckia occidentalis G. T. Nordstrom 1934-7-9 192 Plumas 1.5 mi nw of Mt. Ararat; Bidwell Bar 1676 Comment
  CHSC75908  Rudbeckia occidentalis var. occidentalis G. F. Hrusa 1996-8-2 13444 Plumas Sierra Nevada. Slopes at SW base of ridge between Argentine and Taylor Rocks, 1 mi. NW of Argentine Rock. Pool at uppermost spring forming trib. of Squirrel Creek. [Original lat./long. on label is '39 58 N; 120 47 W']. 1900 Comment
  CHSC55731  Rumex acetosella K. R. Stern 1985-6-25 8209 Plumas Vicinity of Blairsden. 1402 Comment
  CAS-BOT-BC422164  Rumex californicus John Thomas Howell 1966-7-29 42017 Plumas Quincy 1036 Comment
  CAS-BOT-BC422167  Rumex californicus John Thomas Howell 1973-7-9 49714 Plumas Crescent Mills 1066 Comment
  RSA726378  Rumex conglomeratus L. Ahart, Josephine Guardino 2007-7-20 14347 Plumas Strand of Lake Davis, about 100 yards west of Long Point, northeast side of Lake Davis. 1764 Comment
  SEINET13710060  Rumex maritimus Lowell William Ahart, Lowell William Ahart 2001-1 9216 Plumas Lake Almanor, 3/4 Mi. NE of Chester (T28N, R7E, sec 4, NE 1/4) 4500 Ft. 1372 Comment
  CAS-BOT-BC433760  Rumex pulcher John Thomas Howell; Walter Knight; Irja Knight; Gordon True 1968-6-11 2358 Plumas Butterfly Botanical Area. Confluence of Spanish Creek & Butterfly Creek. Comment
  UC1191322  Rumex salicifolius var. triangulivalvis Malcolm A. Nobs and S. Galen Smith 1949-8-18 1371 Plumas just s Chester (n end of Lake Almanor); Lake Almanor, Last Chance Marshes Comment
  SEINET10965518  Sagina saginoides Mary Susan Taylor 1981-7-13 Taylor 4002 Plumas T24N R15E ne/sw sec 1, Frenchman Lake quad; along Lookout Creek, ca. 2 mi W of its jct with 28N11, ca. 3 air mi NW of N tip of the Lake, ca. 15 air mi N of Chicoot. 6200 ft elev. 1890 Comment
  UCSC001857  Sagittaria latifolia H. S. Yates 1936-8-12 6089 Plumas Lake Almanor - Prattville 1341 Comment
  CAS-BOT-BC445745  Sagittaria latifolia David D. Keck 1932-7-3 1687 Plumas In backwaters of Spanish Creek. Quincy, in the Northern Sierra Nevada. 1065 Comment
  CHSC63725  Sagittaria rigida Vernon H. Oswald 1994-9-6 6476 Plumas Last Chance Marsh near the head of the meadow on the N side of the Hwy. 36 Causeway at Lake Almanor. 1373 Comment
  UC1552733  Salix exigua var. hindsiana Frederica Bowcutt 1985-6-6 570 Plumas ca. 15 air mi ne of Quincy (ca. 3 air mi sw of Babcock Peak, along Last Chance Creek); Plumas Nat'l Forest Comment
  JEPS121731  Salix geyeriana B. Castro and L. P. Janeway 2007-6-24 1658 Plumas Northern High Sierra Nevada. NW side of lower Thompson Valley ~ 1.2 mi NNW of the mouth of McReynolds Creek at Red Clover Cree, ca 700 ft SW of small rock dam and pond. Comment
  JEPS14871  Salix geyeriana John Warren Duffield 1937-5-30 Plumas gravel pit n. Meadow Valley Creek (near rd. into U.C. Forestry Camp) Comment
  CAS-BOT-BC125311  Salix lasiandra var. lasiandra John Thomas Howell 1961-9-25 36929 Plumas Feather River bed, Portola 1478 Comment
  CAS-BOT-BC125315  Salix lasiandra var. lasiandra Anna Head 1920-1-1 s.n. Plumas Feather River Region Comment
  CAS-BOT-BC125321  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; John Thomas Howell 1966-7-28 1514 Plumas East of Pond Reservoir 1094 Comment
  CAS-BOT-BC125325  Salix lasiandra var. lasiandra M. B. Kildale 1926-9-11 2799 Plumas Chester 1289 Comment
  CAS-BOT-BC107056  Salix lasiolepis Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1833 Plumas Mouth of Butterfly Creek 1036 Comment
  CAS-BOT-BC107159  Salix lasiolepis var. bigelovii D. E. Breedlove 1962-6-12 3471 Plumas On bank of Jackson Creek, in upper drainage of Middle Fork of Feather River, 1 mile southeast of Cromberg - Sierra Nevada 1341 Comment
  CAS-BOT-BC128436  Salix lasiolepis var. lasiolepis Irja Knight; Walter Knight; John Thomas Howell; Gordon H. True 1967-7-10 2212 Plumas Mouth of Butterfly Creek - Butterfly Botanical Area and Vicinity 883 Comment
  JEPS107737  Salix lasiolepis var. lasiolepis Lowell Ahart, John Dittes 2005-9-19 12370 Plumas Shore line, on the east side of Taylor Lake, about 6 miles (air) southwest of Antelope Lake 2076 Comment
  CAS-BOT-BC124794  Salix lemmonii John Thomas Howell 1961-6-21 36607 Plumas Greenville 1097 Comment
  RSA726287  Salix lemmonii L. Ahart, John Dittes 2007-6-16 14128 Plumas S side of County Road 111 (Beckwourth Gensee Road). 50 yards E of Forest Rd 24N08. Red Clover Valley. About 2 miles (air) N of the N end of Lake Davis. 1648 Comment
  CAS-BOT-BC124797  Salix lemmonii John Thomas Howell 1960-7-20 35725 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC125109  Salix ligulifolia C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 393 Plumas North Fork of Feather River, at Chester 1350 Comment
  UC482028  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 393 Plumas at Chester (N. Fork Feather River, at hwy. bridge); N. Fork Feather River 1350 Comment
  CAS-BOT-BC128236  Salix lucida Alice Eastwood 1918-5-25 6974 Plumas Portola Comment
  CAS-BOT-BC129383  Salix melanopsis David D. Keck 1932-7-3 1656 Plumas Meadow south of Spanish Creek - Quincy 1066 Comment
  CHSC114709  Salix melanopsis G. Douglas Barbe; T. C. Fuller, J. T. Howell 1981-6-23 3171 Plumas 4.6 miles south of junction Long Valley and Rush Creek Roads. 1402 Comment
  UC482045  Salix melanopsis C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 396 Plumas N. Fork Feather R. at Chester; N. Fork Feather R. 1350 Comment
  CDA19222  Salix planifolia G. D. Barbe, T. C. Fuller 1982-6-16 3783 Plumas Plumas National Forest; below Mud Lake, 3/4 mile NE of Eisenheimer Peak. 2097 Comment
  SEINET4174120  Salsola paulsenii W. Harnach, N. Harnach 1990-7-10 468 Plumas Sierra Valley, just west of the steel bridge on Marble Lane 1486 Comment
  UC1136481  Salsola tragus C. W. Hanks 1934-8-13 47 Plumas n.e. Sierra Valley Plumas Nat'l Forest, Sierraville Quad., n.e. Sierra Valley Comment
  JEPS12749  Sambucus mexicana W. L. Jepson 1939-8-16 19448 Plumas Spanish Peak; lower s slopes 1036 Comment
  CDA17223  Sanguisorba annua G. F. Hrusa, P. Kerr, S. Winterton 2004-6-25 16326 Plumas Sierra Nevada; Willow Creek Rd., 1.6 mi. NW of Hwy 70 & 2.6 mi. W on 70 from town of Portola. 1554 Comment
  CAS-BOT-BC223221  Sanicula bipinnatifida A. A. Heller; P. B. Kennedy 1907-7-8 8765 Plumas Near Greenville Comment
  CAS-BOT-BC205711  Sanicula graveolens James R. Shevock 1985-5-19 11164 Plumas Northern Sierra Nevada. Plumas National Forest, along forest road 28N01, 2 miles west of Frenchman Reservoir 1800 Comment
  HSC104013  Sanicula graveolens L. Ahart 2008-7-16 15099 Plumas About 2.5 air mi. N of La Porte, ~ 0.25 mi. W of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, ~ 100 yds. N of paved road, east of small meadow (swamp) 1598 Comment
  JEPS87745  Sanicula graveolens Lowell Ahart 1994-6-15 7340 Plumas about 1 air mi w Little Grass Valley Reservoir (near intersection of Lumpkin Ridge Road and the road to Tamarack Flat, about 200 yards e of a logging road); w of Little Grass Valley Reservoir 1767 Comment
  JEPS113467  Sanicula tuberosa Lowell Ahart, John Dittes, Josephine Guardino 2007-6-8 13992 Plumas East side of an open rocky flat, about 50 yards east of a poor dirt road, about a mile (air) north of the north end of Lake Davis 1965 Comment
  JEPS124092  Sanicula tuberosa Lowell Ahart 2015-6-7 20209 Plumas Lava Top, about 2 1/4 miles (air) north of the bridge across Fall River, about one mile southeast of Cascade, about 7 miles (air) northeast of Feather Falls, about 10 miles (air) west of La Porte. Comment
  JEPS28596  Sanicula tuberosa George W. Gillett 1957-7-13 761 Plumas below Sifford Lakes (on direct route to the Devils Kitchen, Lassen Volcanic National Park); Lassen Volcanic National Park 2057 Comment
  JEPS87766  Sanicula tuberosa Lowell Ahart 1994-6-12 7315 Plumas about 1 1/4 air mi s Bucks Lake (sw of small branch of Willow Creek, near Cedar Flat, on w side of Faggs Mine Road); s of Bucks Lake, sw of branch Willow Creek, Faggs Mine Road 1706 Comment
  SEINET3239796  Santalaceae R. L. Mathiasen 2010-1 1040 Plumas 1.1 km S of Rte. 36 on Rte. 89. West shore of Lake Almanor. 1390 Comment
  SEINET3240186  Santalaceae R. L. Mathiasen 2007-1 2007 -32 Plumas Ca. 4.8 km W of Meadow Valley on high road to Bucks Lake 1470 Comment
  UC570336  Sarcodes sanguinea E. Sawyer 1935-6-28 243 Plumas 3 3/4 mi. s.e. Grizzly Peak; Plumas Nat'l Forest 1554 Comment
  UCD13235  Sarcodes sanguinea Dean Dubbe 1974-4-27 7- 2 Plumas California: Plumas Co. Plumas National Forest. Butterfly Valley. Along hwy 89, 2 mi W of Keddie. Elev. 3700 ft. 1127 Comment
  CHSC21305  Saxifraga mertensiana F. T. Griggs; A. Pass 1975-7-8 119 Plumas Buck's Lake. Comment
  UC485773  Saxifraga oregana H. E. and S. T. Parks 1928-6-20 221 Plumas Drakesbed; Mount Lassen National Park, Drakesbed Comment
  CHSC21677  Sceptridium multifidum D. Brink; L. Mayer 1975-7-29 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC84997  Sceptridium multifidum Lowell Ahart 2003-10-15 10637 Plumas Old gold mined flat area, about 1/4 mile south of Forest Road 22N94E, about 1/2 mile south of Forest Road 22N94, on Hartman Bar Ridge, about 1 mile (air) southwest of Franklin Hill, about 4 1/2 miles (air) northwest of Tamarack Flat, about 9 miles (air) northwest of La Porte. 1509 Comment
  CAS-BOT-BC278216  Schedonorus arundinaceus John Thomas Howell 1959-9-26 35070 Plumas Near Soda Spring, Feather River Canyon 682 Comment
  CAS-BOT-BC283632  Schedonorus pratensis John Thomas Howell; Gordon H. True; Walter Knight; Irja Knight 1967-7-10 2168 Plumas Butterfly Botanical Area and Vicinity. Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC111276  Schoenoplectus acutus var. occidentalis V. Oswald; Lowell Ahart 1988-8-4 3667 Plumas Willow Lake located SE of Drakesbad just S of the boundary of Lassen Volcanic National Park. 1676 Comment
  CHSC78750  Scirpus congdonii L. P. Janeway 2000-7-16 6921 Plumas Northern High Sierra Nevada. Mosquito Flat, 3.2 km south of Haskins Valley. East side of large flat dry meadow. 1676 Comment
  UC1100850  Scirpus congdonii Malcolm A. Nobs, S. Galen Smith 1949-8-18 1394 Plumas Last Chance Marshes at n end Lake Almanor (just s of Chester); s of Chester, Last Chance Marshes at n end Lake Almanor Comment
  CAS-BOT-BC30737  Scirpus diffusus Walter Knight; Irja Knight 1966-9-12 1704 Plumas Pond Reservoir. 1097 Comment
  CHSC20751  Scirpus microcarpus K. R. Stern 1975-7-24 5895 Plumas S shore of Lake Almanor. 1371 Comment
  CHSC66649  Scirpus microcarpus Vernon H. Oswald 1996-7-15 8034 Plumas High Cascade Range. E side of Last Chance Marsh at the N end of Lake Almanor, ca. 1.4 mi S of Last Chance Campground at the streams and marshy meadow extending E from road. 1371 Comment
  JEPS64016  Scirpus microcarpus W. L. Jepson 1924-7-25 10639 Plumas Meadow Valley 1158 Comment
  CAS-BOT-BC238463  Scrophularia John Thomas Howell 1977-8-11 52684 Plumas Canyon of Little Last Chance Creek between Chilcoot and Frenchmans Reservoir 1676 Comment
  SEINET10499131  Scutellaria antirrhinoides Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3824 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. Dry open serpentine slope, N side of Hwy 70, on E side of Squirrel Creek, NE of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. 4000 ft. 1219 Comment
  SD6635  Scutellaria tuberosa Mrs. R. M. Austin 1875-1 Plumas Butterfly Valley Comment
  SEINET10449667  Sedum albomarginatum Mary Susan Taylor 1981-7-26 Taylor 4116 Plumas T25N R7E nw 1/4 nw 1/4 sec 4. Almanor SW. Open serpentine cliff (with granite elements), n side of Caribou Rd. 3.5 mi NE of its jct with Hwy 70 near Beldon. 2700 ft. 823 Comment
  CHSC36212  Sedum obtusatum subsp. boreale M. S. Taylor 1982-7-12 4823 Plumas On n side of Rd 507, 3.7 mi sw of Johnsville, 1.7 mi w of Jamison Creek Campground, near Plumas-Eureka State Park. 1828 Comment
  CAS-BOT-BC418398  Sedum plumasanum John Thomas Howell; Arthur Menzies 1963-6-2 39384 Plumas On serpentine along highway just east of Rich Bar Comment
  CAS-BOT-BC63844  Sedum spathulifolium Anna Head 1920-6-5 s.n. Plumas Camp Rodgers, Feather River Region. 701 Comment
  CAS-BOT-BC63845  Sedum spathulifolium M. S. Taylor 1982-7-23 4716 Plumas Both sides of 23N10- Peoria Ck. Rd., 0.3 mi W of Peoria Ck, 3 mi SW of Sloat. 1402 Comment
  CAS-BOT-BC62197  Selaginella wallacei Lewis S. Rose 1967-5-8 67071 Plumas 3 1/2 mi. sw. of Belden, North Fork, Feather River 762 Comment
  SEINET6340525  Selaginella watsonii H. N. Mozingo 1977-6-14 77 -37 Plumas 1.2 mile inside Plumas Co. border along Rt. 70. Comment
  SEINET10472840  Senecio Mary Susan Taylor 1981-7-21 Taylor 4079 Plumas T24N R11E east center sec 19, Spring Garden quad. NE corner of jct of 25N42 and 401, above Squirrel Creek, ca. 3 air mi N of Spring Garden; Yellow Pine Forest dry woods; 4500 ft elev. 1372 Comment
  SJSU5480  Senecio aronicoides R. B. Ingersoll 1966-6-11 Plumas Lake Almanor 1380 Comment
  CDA11291  Senecio eurycephalus var. eurycephalus G. F. Hrusa 1994-5-31 11886 Plumas Sierra Nevada; Junction of Hwy. 70 and Pulga Rd. Comment
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Apr 10 2018
  CAS-BOT-BC363730  Senecio hydrophilus E. K. Balls 1950-9-6 15685 Plumas Road from Quincy to East Quincy 1097 Comment
  CAS-BOT-BC363798  Senecio integerrimus Clare B. Hardham 1961-6-16 7472 Plumas Sierra Nevada Mountains. Diamond Peak 2133 Comment
  CHSC57420  Senecio integerrimus var. exaltatus L. P. Janeway; Garrett Gibson 1991-6-12 4002 Plumas Plumas National Forest. Slopes above a meadow along Poco Creek, ca 0.8 mi northeast of Red Clover Creek (off the northwest end of Red Clover Valley). 1664 Comment
  SEINET12725693 Image available Senecio serra A. A. Heller, B. B. Kennedy 1907-7-16 8860 Plumas Genessee valley near Genessee Comment
  JEPS94852  Senecio streptanthifolius Vernon H. Oswald and Lowell Ahart 1998-8-11 9491 Plumas on Quincy-La Porte Rd. (County Rd. 511) nw of Pilot Peak (slope on s side of Onion Valley); Onion Valley 1920 Comment
  CHSC20984  Senecio triangularis F. T. Griggs; A. Pass 1975-7-11 159 Plumas Buck's Lake. Comment
  CHSC21296  Senecio triangularis F. T. Griggs 1975-7-29 259 Plumas Buck's Lake. Comment
  CHSC99822  Senecio triangularis Lowell Ahart 2008-7-16 15096 Plumas In a small meadow (swamp), north of a small deep stream, about 130 yards north of the paved road, about 1/4 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 2 1/2 miles (air) north of La Porte. 1597 Comment
  UC1523720  Sericocarpus oregonensis subsp. californicus Gary Schoolcraft 1982-8-2 840 Plumas west of Crescent Mills 1219 Comment
  CAS-BOT-BC240246  Setaria viridis John Thomas Howell 1961-9-22 36806 Plumas Greenville 1088 Comment
  JEPS113912  Sidalcea gigantea Dean W. Taylor 2001-8-2 17878 Plumas Onion Creek headwaters ca. 0.5 air miles SW of America House , along Forest Road 21N01Y ca. 0.3 miles West of junction Forest Road 21N99, American House 7 1/2 USGS quadrangle 1402 Comment
  CHSC100319  Sidalcea glaucescens Lowell Ahart 2008-8-13 15172 Plumas Large pile of dirt on the east side of La Porte Road, west of East Branch Creek, about 1 3/4 miles (air) south of Little Grass Valley Reservoir, about one mile northeast of La Porte. 1613 Comment
  CHSC53587  Sidalcea oregana subsp. spicata L. P. Janeway 1989-7-20 3503 Plumas Plumas National Forest. Forest along southerly side of Red Clover Valley at jct of rd 26N70 (to Laufman) and Beckwourth-Genesee Rd (rd 111) 9.5 mi from Beckwourth. 1676 Comment
  RSA60239  Sidalcea oregana subsp. spicata E. K. Balls 1950-9-2 15631 Plumas Mt. Ingalls Lookout, north of Grizzly Valley. 2485 Comment
  UC198514  Sidalcea oregana subsp. spicata Katharine Brandegee 1913-1 Plumas Portola Comment
  JEPS50961  Silene californica W. L. Jepson 1939-8-7 19349 Plumas Meadow Valley 1158 Comment
  UC185511  Silene campanulata subsp. glandulosa Mrs. R. M. Austin July 1893 15 Plumas on old military road Summit Cascades (Summit Cascades) Comment
  UC2042995  Silene douglasii Barbara Ertter with Gary Schoolcraft 1990-5-14 8970 Plumas East side of mountain above Crescent Mill, E of Round Valley Reservoir. Comment
  CHSC63456  Silene invisa Lowell Ahart 1994-7-22 7497 Plumas Along the Pacific Crest Trail, south end of Blue Nose Ridge, about 2 miles (air) south of Blue Nose Mountain, about 1 mile (air) east of Mount Etna. 1981 Comment
  CHSC67210  Silene invisa James D. Jokerst 1989-7-3 3111 Plumas Florintine Canyon W of Johnstown. Comment
  CAS-BOT-BC181346  Silene latifolia J. Budaj 1967-6-9 s.n. Plumas Small patch of scatterd plants 200 yds. n. of the High School, Quincy Comment
  CAS-BOT-BC389391  Silene lemmonii Lewis S. Rose 1963-6-3 63112 Plumas Butterfly Valley, 2 mi. sw. of Keddie 1188 Comment
  CAS-BOT-BC389395  Silene lemmonii A. A. Heller; P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  SEINET3840897  Silene lemmonii G. Douglas Barbe, Thomas C. Fuller, J. T. Howell 1981-6-23 3142 Plumas 3.25 miles west of Round Valley Reservoir Dam, 0.25 miles east of junction with road to Canyon Dam (i.e. south arm of Lake Almanor 1630 Comment
  UC1075739  Silene lemmonii Robert J. Weatherby 1955-7-21 1655 Plumas 4th Water Bear Creek , 4th Water Bear Creek (Middle Fork Feather River) 1554 Comment
  SJSU14273  Silene nuda N. A. Hopkins 1989-7-2 1554 Plumas by Marble Hot Springs Rd, Sierra Valley 1524 Comment
  CAS-BOT-BC389563  Silene nuda Mary Strong Clemens 1920-9-1 s.n. Plumas Genesee Comment
  SEINET5337235  Silene occidentalis A. A. Heller, P. B. Kennedy 1907-7-11 8814 Plumas Prattville Comment
  CHSC20830  Sisymbrium altissimum K. R. Stern 1975-7-24 5821 Plumas E shore of Lake Almanor. 1371 Comment
  UC1126786  Sisymbrium altissimum C. W. Hanks 1934-8-6 4 Plumas ne part of Sierra Valley, Plumas National Forest Sierra Valley; Plumas National Forest, Sierra Valley 1554 Comment
  CAS-BOT-BC75123  Sisymbrium altissimum Lowell Ahart 1981-9-6 3093 Plumas Sierra Nevada. 1.5 mile southwest of Crescent Mills. 1200 Comment
  SEINET10874427  Sisymbrium altissimum Mary Susan Taylor 1982-9-13 Taylor 5132 Plumas T23N R14E sw/nw sec 28. Portola quad. Ramelli Ranch, at jct of Grizzly Creek and Feather River, ca. 2 mi w of Beckwourth. 4880 ft. 1487 Comment
  SEINET10594324  Sitanion hystrix Lawrence P. Janeway 1990-1 Janeway 3822 Plumas Mt. Ingalls quad. ALong Joseph Cr 1/2 mi NE of the crest of Grizzly Ridge. Disturbed open area in white fir/red fir forest near dry creek. 2057 Comment
  RSA252469  Sium suave R. F. Thorne, C. W. Tilforth 1969-9-6 39240 Plumas Wet margin of Feather River, 1 mi SW of Beckwourth 1357 Comment
  UC1400345  Sium suave R. F. Thorne and C. W. Tilforth 1969-9-6 39240 Plumas 1 mi sw of Beckwourth (Feather River); Feather River 1356 Comment
  UC1191945  Sium suave Malcolm A. Nobs, S. Galen Smith 1949-8-19 1458 Plumas on southeastern side of Portola Portola Comment
  JEPS102317  Solanum umbelliferum Lowell Ahart 2001-6-4 8752 Plumas 4 1/2 air miles N of La Porte (W side of the dirt road, W of South Fork of the Feather River, about 1/4 mi N of Little Grass Valley Reservoir) 1584 Comment
  RSA0039310  Solidago canadensis subsp. elongata Lowell Ahart 2008-8-14 15215 Plumas About 250 yards north of the paved road, about 1/2 mile west of the bridge where the South Fork of the Feather River flows into Little Grass Valley Reservoir, about 4 1/2 miles (air) north of La Porte. 1597 Comment
  CHSC34306  Solidago elongata L. Ahart 1981-9-6 3066 Plumas Near Lights Creek, ca. 6 mi n of Taylorsville. 1300 Comment
  HSC6185  Solidago elongata L. S. Rose 1966-7-28 66072 Plumas Quincy 1067 Comment
  JEPS88174  Solidago elongata Vernon H. Oswald and Lowell Ahart 1996-8-14 8177 Plumas on Oroville-Quincy Hwy between Bucks Summit and Bucks Lake (0.6 mi e of White Horse Campground); northern High Sierra Nevada 1615 Comment
  CAS-BOT-BC365754  Solidago spectabilis F. Sommers 1976-8-10 1186 Plumas Sierra Valley along Marble Lane 1487 Comment
  CAS-BOT-BC365115  Solidago velutina subsp. californica John Thomas Howell 1924-8-11 620 Plumas 2 miles east of Chester Comment
  CAS-BOT-BC365125  Solidago velutina subsp. californica Clare B. Hardham 1978-8-11 21811 a Plumas About 7 mi. se. of Antelope Reservoir Comment
  CHSC69703  Solidago velutina subsp. californica Vernon Oswald; Lowell Ahart 1997-9-18 8880 Plumas Forest Road 26N25 at Soda Ravine, ca. 4.5 mi west of Butte Valley Reservoir. On the bed of a drainage crossing the road. 1249 Comment
  CAS-BOT-BC157307  Sorbus californica Rimo Bacigalupi 1927-7-4 1655 Plumas Between [Gray Eagle] Graeagle and Long Lake Comment
  CAS-BOT-BC157310  Sorbus californica Mrs. Jos Clemens 1919-10-20 s.n. Plumas Greenville Comment
  UCD94834  Sparganium emersum John Thomas Howell 1960-7-22 35869 Plumas Lassen Volcanic National Park. Drakesbad. 1676 Comment
  UCR88888  Spergularia atrosperma J. T. Howell 1962-6-19 37866 Plumas Sierra Nevada Mtns., 5.8 mi east of Beckworth. 1494 Comment
  JEPS88492  Sphenosciadium capitellatum Vernon H. Oswald and Lowell Ahart 1996-8-1 8139 Plumas ca 1.5 mi nw Hauns Meadow (Forest Road 27N16 on s slope of Dyer Mtn, at a branch of Second Water Trough Creek, ca 1.5 mi se of Dyer Mtn Lookout, n of Hwy 89); s slope Dyer Mtn., branch of Second Water Trough Creek 1706 Comment
  RSA29620  Sphenosciadium capitellatum Joseph A. Ewan 1934-7-8 8587 Plumas Camp Coldwell, Dentins(?) Mohawk Valley 1616 Comment
  CAS-BOT-BC290607  Spiraea Peter Rubtzoff 1978-8-4 9243 Plumas West side of Highway 89, 0.2 miles north of Spanish Creek crossing (ca. 0.75 miles north of Quincy). Comment
  CHSC115824  Spiraea douglasii Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20419 Plumas On the west side of Blue Lake, 2710 feet north of Forest Service Road 29N18, 289 air-miles west-southwest of Sifford Mt., 6.26 air-miles south-southeast of Lassen Peak. 1918 Comment
  CHSC71651  Spiraea douglasii Vernon H. Oswald; Lowell Ahart 1998-8-11 9485 Plumas West of Bucks Lake on USFS 24N36 0.1 mi east of Oroville-Quincy Hwy. In meadow along Grizzly Creek. 1566 Comment
  JEPS93947  Spiraea douglasii Vernon H. Oswald and Lowell Ahart 1998-8-11 9485 Plumas w of Bucks Lake (on USFS 24N36 0.1 mi e of Oroville-Quincy Highway, along Grizzly Creek); Grizzly Creek, USFS 24N36 1566 Comment
  UCD20962  Spiraea douglasii E. Bortiri 2002-6-21 WFC 10 Plumas Williams Loop, near Portola. Comment
  CAS-BOT-BC152540  Spiraea splendens Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CHSC52071  Stachys ajugoides var. rigida L. P. Janeway 1989-8-2 3550 Plumas Where rd 23N08 crosses a southwestern fork of Bear Cr ca 1 mi NE from top of Eureka Ridge. Along side of creek. 1752 Comment
  CHSC62118  Stachys ajugoides var. rigida L. P. Janeway 1993-6-30 4407 Plumas Along Hwy 70 in canyon of East Branch North Fork Feather River, 3.8 mi southwest of Hwy 89. 868 Comment
  UC1075654  Stachys ajugoides var. rigida Robert J. Weatherby 1950-7-7 1457 Plumas Snake Lake Quincy 1219 Comment
  RSA32912  Stachys rigida subsp. rivularis A. A. Heller 1938-7-2 15232 Plumas Along the highway near the river bridge just outside of Quincy. 1098 Comment
  JEPS95479  Stellaria crispa Lowell Ahart 1994-7-28 7545 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  SEINET10537636  Stellaria jamesiana Mary Susan Taylor 1982-6-2 Taylor 4590 Plumas T23N R12E nw/sw sec 20. Johnsville quad. End of spur rd off 23N49, w side of Mt Jackson, ca. 6 air mi n of Mohawk. Mixed Evergreen Forest; 5100 ft. 1554 Comment
  CHSC58186  Stellaria obtusa Vernon H. Oswald; Lowell Ahart 1992-6-22 5013 Plumas Lassen Volcanic National Park. Little Willow Creek between Willow Lake and the access road into Terminal Geyser. On the edge of the creek. 1676 Comment
  JEPS95590  Stellaria obtusa Lowell Ahart 1994-7-28 7541 Plumas SW of Bucks Lake (NE of Frenchman Hill) 1706 Comment
  CAS-BOT-BC375049  Stenotus acaulis Clare B. Hardham 1961-6-16 7482 Plumas Sierra Nevada Mountains. Diamond Peak 2286 Comment
  CAS-BOT-BC375050  Stenotus acaulis L. W. Swift 1934-5-18 116 Plumas Plumas National Forest. Sugar Loaf near Meadow View 1889 Comment
  UCD136249  Stephanomeria elata F. H. Bolster 1912-9-1 52 Plumas Tobin, Fe